//####### Image Rollover ##################################################################//
function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}

MM_reloadPage(true);

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function Preload() {
MM_preloadImages('images/nh_art_on.gif','images/nh_film_on.gif','images/nh_lymph_on.gif','images/ni_art_on.gif','images/ni_film_on.gif','images/ni_lymph_on.gif')
}



//####### START: Flash Player Detection #################################################//
/**
 * FlashObject v1.3: Flash detection and embed - http://blog.deconcept.com/flashobject/
 *
 * FlashObject is (c) 2006 Geoff Stearns and is released under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 *
 */
if(typeof com == "undefined") var com = new Object();
if(typeof com.deconcept == "undefined") com.deconcept = new Object();
if(typeof com.deconcept.util == "undefined") com.deconcept.util = new Object();
if(typeof com.deconcept.FlashObjectUtil == "undefined") com.deconcept.FlashObjectUtil = new Object();
com.deconcept.FlashObject = function(swf, id, w, h, ver, c, useExpressInstall, quality, xiRedirectUrl, redirectUrl, detectKey){
  if (!document.createElement || !document.getElementById) return;
  this.DETECT_KEY = detectKey ? detectKey : 'detectflash';
  this.skipDetect = com.deconcept.util.getRequestParameter(this.DETECT_KEY);
  this.params = new Object();
  this.variables = new Object();
  this.attributes = new Array();
  this.useExpressInstall = useExpressInstall;

  if(swf) this.setAttribute('swf', swf);
  if(id) this.setAttribute('id', id);
  if(w) this.setAttribute('width', w);
  if(h) this.setAttribute('height', h);
  if(ver) this.setAttribute('version', new com.deconcept.PlayerVersion(ver.toString().split(".")));
  this.installedVer = com.deconcept.FlashObjectUtil.getPlayerVersion(this.getAttribute('version'), useExpressInstall);
  if(c) this.addParam('bgcolor', c);
  var q = quality ? quality : 'high';
  this.addParam('quality', q);
  var xir = (xiRedirectUrl) ? xiRedirectUrl : window.location;
  this.setAttribute('xiRedirectUrl', xir);
  this.setAttribute('redirectUrl', '');
  if(redirectUrl) this.setAttribute('redirectUrl', redirectUrl);
}
com.deconcept.FlashObject.prototype = {
  setAttribute: function(name, value){
    this.attributes[name] = value;
  },
  getAttribute: function(name){
    return this.attributes[name];
  },
  addParam: function(name, value){
    this.params[name] = value;
  },
  getParams: function(){
    return this.params;
  },
  addVariable: function(name, value){
    this.variables[name] = value;
  },
  getVariable: function(name){
    return this.variables[name];
  },
  getVariables: function(){
    return this.variables;
  },
  createParamTag: function(n, v){
    var p = document.createElement('param');
    p.setAttribute('name', n);
    p.setAttribute('value', v);
    return p;
  },
  getVariablePairs: function(){
    var variablePairs = new Array();
    var key;
    var variables = this.getVariables();
    for(key in variables){
      variablePairs.push(key +"="+ variables[key]);
    }
    return variablePairs;
  },
  getFlashHTML: function() {
    var flashNode = "";
    if (navigator.plugins && navigator.mimeTypes && navigator.mimeTypes.length) { // netscape plugin architecture
      if (this.getAttribute("doExpressInstall")) this.addVariable("MMplayerType", "PlugIn");
      flashNode = '<embed type="application/x-shockwave-flash" src="'+ this.getAttribute('swf') +'" width="'+ this.getAttribute('width') +'" height="'+ this.getAttribute('height') +'"';
      flashNode += ' id="'+ this.getAttribute('id') +'" name="'+ this.getAttribute('id') +'" ';
      var params = this.getParams();
       for(var key in params){ flashNode += [key] +'="'+ params[key] +'" '; }
      var pairs = this.getVariablePairs().join("&");
       if (pairs.length > 0){ flashNode += 'flashvars="'+ pairs +'"'; }
      flashNode += '/>';
    } else { // PC IE
      if (this.getAttribute("doExpressInstall")) this.addVariable("MMplayerType", "ActiveX");
      flashNode = '<object id="'+ this.getAttribute('id') +'" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" width="'+ this.getAttribute('width') +'" height="'+ this.getAttribute('height') +'">';
      flashNode += '<param name="movie" value="'+ this.getAttribute('swf') +'" />"';
      var params = this.getParams();
       for(var key in params) {
        flashNode += '<param name="'+ key +'" value="'+ params[key] +'">';
       }
      var pairs = this.getVariablePairs().join("&");
       if(pairs.length > 0) flashNode += '<param name="flashvars" value="'+ pairs +'">';
    }
    return flashNode;
  },
  write: function(elementId){
    if(this.useExpressInstall) {
      // check to see if we need to do an express install
      var expressInstallReqVer = new com.deconcept.PlayerVersion([6,0,65]);
      if (this.installedVer.versionIsValid(expressInstallReqVer) && !this.installedVer.versionIsValid(this.getAttribute('version'))) {
        this.setAttribute('doExpressInstall', true);
        this.addVariable("MMredirectURL", escape(this.getAttribute('xiRedirectUrl')));
        document.title = document.title.slice(0, 47) + " - Flash Player Installation";
        this.addVariable("MMdoctitle", document.title);
      }
    } else {
      this.setAttribute('doExpressInstall', false);
    }
    if(this.skipDetect || this.getAttribute('doExpressInstall') || this.installedVer.versionIsValid(this.getAttribute('version'))){
      var n = (typeof elementId == 'string') ? document.getElementById(elementId) : elementId;
      n.innerHTML = this.getFlashHTML();
    }else{
      if(this.getAttribute('redirectUrl') != "") {
        document.location.replace(this.getAttribute('redirectUrl'));
      }
    }
  }
}

/* ---- detection functions ---- */
com.deconcept.FlashObjectUtil.getPlayerVersion = function(reqVer, xiInstall){
  var PlayerVersion = new com.deconcept.PlayerVersion(0,0,0);
  if(navigator.plugins && navigator.mimeTypes.length){
    var x = navigator.plugins["Shockwave Flash"];
    if(x && x.description) {
      PlayerVersion = new com.deconcept.PlayerVersion(x.description.replace(/([a-z]|[A-Z]|\s)+/, "").replace(/(\s+r|\s+b[0-9]+)/, ".").split("."));
    }
  }else{
    try{
      var axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
      for (var i=3; axo!=null; i++) {
        axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash."+i);
        PlayerVersion = new com.deconcept.PlayerVersion([i,0,0]);
      }
    }catch(e){}
    if (reqVer && reqVer.major > PlayerVersion.major) return PlayerVersion; // version is ok, skip minor detection
    // this only does the minor rev lookup if the user's major version 
    // is not 6 or we are checking for a specific minor or revision number
    // see http://blog.deconcept.com/2006/01/11/getvariable-setvariable-crash-internet-explorer-flash-6/
    if (!reqVer || ((reqVer.minor != 0 || reqVer.rev != 0) && PlayerVersion.major == reqVer.major) || PlayerVersion.major != 6 || xiInstall) {
      try{
        PlayerVersion = new com.deconcept.PlayerVersion(axo.GetVariable("$version").split(" ")[1].split(","));
      }catch(e){}
    }
  }
  return PlayerVersion;
}
com.deconcept.PlayerVersion = function(arrVersion){
  this.major = parseInt(arrVersion[0]) || 0;
  this.minor = parseInt(arrVersion[1]) || 0;
  this.rev = parseInt(arrVersion[2]) || 0;
}
com.deconcept.PlayerVersion.prototype.versionIsValid = function(fv){
  if(this.major < fv.major) return false;
  if(this.major > fv.major) return true;
  if(this.minor < fv.minor) return false;
  if(this.minor > fv.minor) return true;
  if(this.rev < fv.rev) return false;
  return true;
}
/* ---- get value of query string param ---- */
com.deconcept.util = {
  getRequestParameter: function(param){
    var q = document.location.search || document.location.href.hash;
    if(q){
      var startIndex = q.indexOf(param +"=");
      var endIndex = (q.indexOf("&", startIndex) > -1) ? q.indexOf("&", startIndex) : q.length;
      if (q.length > 1 && startIndex > -1) {
        return q.substring(q.indexOf("=", startIndex)+1, endIndex);
      }
    }
    return "";
  },
  removeChildren: function(n){
    while (n.hasChildNodes()) n.removeChild(n.firstChild);
  }
}

/* add Array.push if needed (ie5) */
if (Array.prototype.push == null) { Array.prototype.push = function(item) { this[this.length] = item; return this.length; }}

/* add some aliases for ease of use/backwards compatibility */
var getQueryParamValue = com.deconcept.util.getRequestParameter;
var FlashObject = com.deconcept.FlashObject;

//####### END: Flash Player Detection #################################################



// JavaScript Document

var base_url;
var script_url;
base_url = '';
script_url = '';

//used for DHTML navigation
function s_show(){return false}
function s_hide(){return false}
if(window.event+''=='undefined')event=0
//used for DHTML navigation

function LoadPage(subnavid) {
	if (document.getElementById(subnavid) != null) {
	document.getElementById(subnavid).className = "SideNavDataOn";
	}
}



function ELink() {
	 var a=ELink.arguments;
	 var name = "";
	 var domain = "skydavid.com";
	 var text = "";
	 if (a[0] != null) {
		 name = a[0];
	 }
	 if (a[2] != null && a[2] != "") {
		 domain = a[2];
	 }
	 if (a[1] != null && a[1] != "") {
		 text = a[1];
	 } else {
		 text = name + "@" + domain;
	 }
	 document.write("<a href=\"mailto:" + name + "@" + domain + "\">" + text + "</a>");
}

function changeLocation(menuObj)
{
   var i = menuObj.selectedIndex;

   if(i > 0)
   {
      window.location = menuObj.options[i].value;
   }
}



//used in left nav to indicate the current page
function showon(indicatorname) {
	var indicatorname = indicatorname
	if (indicatorname != null) {
	indicatorname.src = "images/n_bullet.gif"
	};
}
//used in left nav to indicate the current page

function open_bio( url )
{
	biowin = window.open( url, 'biowin', 'toolbar=no,location=no,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=1,copyhistory=no,width=730,height=700' );
	biowin.focus();
}



function open_popwin( url )
{
	popwin = window.open( url, 'popwin', 'toolbar=no,location=no,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=1,copyhistory=no,width=730,height=700' );
	popwin.focus();
}


//##### START: Functions for Health Library ########
function open_dict()
{
	dict = window.open('http://healthlibrary.epnet.com/dict.aspx?token=8767ffbe-d284-4611-bed8-c8ffc1e4f6a2&docid=/MedicalDictionary/index' , 'dict', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=1,copyhistory=no,width=600,height=500' );
	dict.focus();
}
function open_ae()
{
	ae = window.open('http://healthychoice.epnet.com/tools/index2.asp?siteid=healthlibrary','AnatomyExplorer','width=640,height=550,left=0,top=0,scrollbars=yes,toolbar=no,location=no,resizable=no');
	ae.focus();
	void(null);
}	
function open_ce() 
{
	ce = window.open('http://healthychoice.epnet.com/tools/index3.asp?siteid=healthlibrary&token=8767ffbe-d284-4611-bed8-c8ffc1e4f6a2&frame=parent','ConditionExplorer','width=660,height=520,left=0,top=0,scrollbars=yes,toolbar=no,location=no,resizable=yes');
	ce.focus();
	void(null);
}	

function open_md() 
{
	md = window.open('http://calculators.epnet.com?docid=healthcalculators/listofcalculators&token=8767ffbe-d284-4611-bed8-c8ffc1e4f6a2&DeliveryContext=healthlibrary&CollectionIID=446&frame=parent','Calculators','width=625,height=550,left=0,top=0,scrollbars=yes,toolbar=no,location=no,resizable=yes');
	md.focus();
	void(null);
}	


function open_win( url, width, height )
{
	if (window.win) {
		win.close();
	}
	
	win = window.open( url, 'win', 'toolbar=yes,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=1,copyhistory=no,width=' + width + ',height=' + height );
	win.focus();
	
}

function open_pop( url )
{
	pop_win = window.open( url, 'pop_win', 'toolbar=yes,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=1,copyhistory=no,width=600,height=400' );
	pop_win.focus();
}



function open_cert( url )
{
	cert = window.open(url, 'cert', 'toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=1,copyhistory=no,width=500,height=200' );
	cert.focus();
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
  }
  

//##### END: Functions for Health Library ########



//**** START: Side Navigation Functions *****/
function getElementsByIDTag(id, tagname)
		{
			var objArray, m;
			objArray = new Array();
			m = 0;
			for (n=0; n<document.getElementsByTagName(tagname).length; n++)
			{
				for (i=0; i<document.getElementsByTagName(tagname).length; i++)
				{
					obj = document.getElementsByTagName(tagname)[i];
					if (obj.id.indexOf(id) >= 0)
					{
					objArray[m] = obj;
					m++;
					}
				}
			}				
			return objArray;
		}
		

		function ShowNavIcon(navid)
		{
			navid = navid + "div"
			obj = document.getElementById(navid);
			if (obj != null && obj != undefined) 
				document.getElementById(navid).className = document.getElementById(navid).className + "_On"; 
		}
		
		function LoadNav(navitemid) 
		{
						
			if (navitemid == null || navitemid == undefined)
				return;
		
			var trArray, iArray, path, i, level, current_level, obj;
			trArray = getElementsByIDTag("navitem_", "tr");
		
			
			if (trArray == undefined || trArray == null)
				return;
			
			path = navitemid.substring(navitemid.indexOf("navitem_") + 8, navitemid.length);
			
			iArray = path.split("_");
			level = iArray.length;

			path = "";
			iArray = null;
			
			for (i=0; i<trArray.length; i++)
			{
				path = trArray[i].id;
				path = path.substring(path.indexOf("navitem_") + 8, path.length);
				
				iArray = path.split("_");
				current_level = iArray.length;
				
				//alert(iArray[0], level);
				if (current_level > 1)
				{
					if (navitemid.indexOf(trArray[i].id) < 0)
					{
						if (!isRelative(navitemid, trArray[i].id, current_level))
						{
							document.getElementById(trArray[i].id).style.display = "none";
						}
					}
				}
			}
			obj = document.getElementById(navitemid);
			if (obj != null && obj != undefined)
				document.getElementById(navitemid + "div").className = document.getElementById(navitemid + "div").className + "_On"; 
		}
		
		function LoadNavAlt(navitemid) 
		{
						
			if (navitemid == null || navitemid == undefined)
				return;
		
			var trArray, iArray, path, i, level, current_level, obj;
			trArray = getElementsByIDTag("navitem_", "tr");
		
			
			if (trArray == undefined || trArray == null)
				return;
			
			path = navitemid.substring(navitemid.indexOf("navitem_") + 8, navitemid.length);
			
			iArray = path.split("_");
			level = iArray.length;

			path = "";
			iArray = null;
			
			for (i=0; i<trArray.length; i++)
			{
				path = trArray[i].id;
				path = path.substring(path.indexOf("navitem_") + 8, path.length);
				
				iArray = path.split("_");
				current_level = iArray.length;
				
				//alert(iArray[0], level);
				if (current_level > 1)
				{
					if (navitemid.indexOf(trArray[i].id) < 0)
					{
						if (!isRelative(navitemid, trArray[i].id, current_level))
						{
							document.getElementById(trArray[i].id).style.display = "none";
						}
					}
				}
				// The following condition hides the siblings for level 1 and level 2
				if (current_level == 2) 
				{
					if (navitemid.indexOf(trArray[i].id) < 0 && trArray[i].id.indexOf(navitemid) < 0) 
					{
						document.getElementById(trArray[i].id).style.display = "none";
					}
				}
			}
			obj = document.getElementById(navitemid);
			if (obj != null && obj != undefined)
				document.getElementById(navitemid + "div").className = document.getElementById(navitemid + "div").className + "_On"; 
		}
		
		function isRelative(srcID, destID, le)
		{
			var path1, iArray1, path2, iArray2, i;
			path1 = srcID.substring(srcID.indexOf("navitem_") + 8, srcID.length);
			iArray1 = path1.split("_");
			
			path2 = "";
			for (i=0; i<le; i++)
			{
				path2 += "_" + iArray1[i];
			}
			path2 = "navitem" + path2;
			
			//if (destID == "navitem_6_17_30")
			//	alert(path2 + "\n" + destID + "\n" + isBrother(path2, destID));
			
			return isBrother(path2, destID);
		}
		
		
		
		function isFamily(srcID, destID, le)
		{
			var path1, iArray1, path2, iArray2, i;
			path1 = srcID.substring(srcID.indexOf("navitem_") + 8, srcID.length);
			iArray1 = path1.split("_");
			
			path2 = destID.substring(destID.indexOf("navitem_") + 8, destID.length);
			iArray2 = path2.split("_");

			if (iArray2.length > iArray1.length) return false;			
			i = Math.max(iArray1.length, iArray2.length);
			if (le > i) return false;
			
			path1 = "";
			path2 = "";
			for (i=0; i<le; i++)
			{
				path1 += iArray1[i] + "_";
				path2 += iArray2[i] + "_";
			}
			if ((path1 != path2 && iArray2.length != le) || iArray1[0] != iArray2[0])
				return false;
			else
				return true;
		}
		
		function isBrother(srcID, destID)
		{
			var s1, s2;
			s1 = srcID.substring(0, srcID.lastIndexOf("_"));
			s2 = destID.substring(0, destID.lastIndexOf("_"));
			//alert(s1 + "\n" + s2);
			if (s1.toLowerCase() == s2.toLowerCase())
				return true;
			else
				return false;
		}
//**** END: Side Navigation Functions *****/


//**** START: Date Functions *****/
function measure(n) {

	this.length=n;

	for (var i=1;i<=n;i++) {

		this[i]=0 }

	return this

}

month=new measure(12);
month[1]="January"
month[2]="February"
month[3]="March"
month[4]="April"
month[5]="May"
month[6]="June"
month[7]="July"
month[8]="August"
month[9]="September"
month[10]="October"
month[11]="November"
month[12]="December"

day=new measure(7);
day[1]="Sunday"
day[2]="Monday"
day[3]="Tuesday"
day[4]="Wednesday"
day[5]="Thursday"
day[6]="Friday"
day[7]="Saturday"


function WriteDate() {
	display=new Date();
	document.write(month[display.getMonth()+1]+" "+display.getDate()+", "+display.getFullYear()+".");
}
//**** END: Date Functions ****//

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function ShowPositionedLayer(thisimg, thislayer, xoffset, yoffset) {
	x = s_getStart("x", thisimg);
	y = s_getStart("y", thisimg);
	objlayer = MM_findObj(thislayer);
	objlayer.style.left = x+xoffset;	
	objlayer.style.top = y+yoffset;
	MM_showHideLayers(thislayer,'','show');
}

// SAMPLE FUNCTION USED FOR RELATIVE POSITIONING
s_ua=navigator.userAgent.toLowerCase();
s_dl=document.getElementById?1:0;
s_iE=document.all&&!window.innerWidth&&s_ua.indexOf("msie")!=-1?1:0;
s_oP=s_ua.indexOf("opera")!=-1&&document.clear?1:0;
s_oP7=s_oP&&document.appendChild?1:0;
s_oP7m=s_oP&&!s_oP7?1:0;
s_nS=s_dl&&!document.all&&s_ua.indexOf("opera")==-1?1:0;
s_nS4=document.layers?1:0;
s_kNv=s_ua.indexOf("konqueror")!=-1?parseFloat(s_ua.substring(s_ua.indexOf("konqueror/")+10)):0;
s_kN=s_kNv>=2.2?1:0;s_kN3p=s_kNv>=3?1:0;
s_kN31p=s_kNv>=3.1?1:0;s_kN32p=s_kNv>=3.2?1:0;
s_mC=s_ua.indexOf("mac")!=-1?1:0;
s_sF=s_mC&&s_ua.indexOf("safari")!=-1?1:0;
s_iE5M=s_mC&&s_iE&&s_dl?1:0;
s_iE4M=s_mC&&s_iE&&!s_dl?1:0;
s_iE4=!s_mC&&s_iE&&!s_dl?1:0;
s_ct=0;

function s_getStart(a, img){
var bodyStyleMarginTop=0;// specify manually to kill a bug in Opera 5/6
var o=document.images[img];if(!o)return a=="x"?-630:0;
if(s_nS4)return a=="x"?o.x:o.y;
var oP,oC,ieW;oP=o.offsetParent;oC=a=="x"?o.offsetLeft:o.offsetTop;
ieW=s_iE&&!s_mC?1:0;
while(oP){if(ieW&&oP.tagName&&oP.tagName.toLowerCase()=="table"&&oP.border&&oP.border>0)oC++;oC+=a=="x"?oP.offsetLeft:oP.offsetTop;oP=oP.offsetParent};
if(s_kN31p&&!s_kN32p){return a=="x"?(document.body.style&&document.body.style.marginLeft?parseInt(document.body.style.marginLeft)+oC:document.body.marginWidth?parseInt(document.body.marginWidth)+oC:document.body.leftMargin?parseInt(document.body.leftMargin)+oC:oC+10):(document.body.style&&document.body.style.marginTop?parseInt(document.body.style.marginTop)+oC:document.body.marginHeight?parseInt(document.body.marginHeight)+oC:document.body.topMargin?parseInt(document.body.topMargin)+oC:oC+10)};
return s_oP7m?a=="x"?oC:oC+bodyStyleMarginTop:s_iE5M?a=="x"?oC+parseInt(document.body.currentStyle.marginLeft):oC+parseInt(document.body.currentStyle.marginTop):oC};
/*
 All browsers have problems with finding the real position of an
 element on the page in certain cases. I have tried to go round some
 browser bugs with the above function- that's why it's so long & complex.
*/
// SAMPLE FUNCTION USED FOR RELATIVE POSITIONING


//Fuctions to mimmick LTrim,  RTrim, and Trim...
//==================================================================
//LTrim(string) : Returns a copy of a string without leading spaces.
//==================================================================
function LTrim(str)
/*
        PURPOSE: Remove leading blanks from our string.
        IN: str - the string we want to LTrim
*/
{
        var whitespace = new String(" \t\n\r");

        var s = new String(str);

        if (whitespace.indexOf(s.charAt(0)) != -1) {
            // We have a string with leading blank(s)...

            var j=0, i = s.length;

            // Iterate from the far left of string until we
            // don't have any more whitespace...
            while (j < i && whitespace.indexOf(s.charAt(j)) != -1)
                j++;


            // Get the substring from the first non-whitespace
            // character to the end of the string...
            s = s.substring(j, i);
        }

        return s;
}

//==================================================================
//RTrim(string) : Returns a copy of a string without trailing spaces.
//=================================================================//=
function RTrim(str)
/*
        PURPOSE: Remove trailing blanks from our string.
        IN: str - the string we want to RTrim

*/
{
        // We don't want to trip JUST spaces, but also tabs,
        // line feeds, etc.  Add anything else you want to
        // "trim" here in Whitespace
        var whitespace = new String(" \t\n\r");

        var s = new String(str);

        if (whitespace.indexOf(s.charAt(s.length-1)) != -1) {
            // We have a string with trailing blank(s)...

            var i = s.length - 1;       // Get length of string

            // Iterate from the far right of string until we
            // don't have any more whitespace...
            while (i >= 0 && whitespace.indexOf(s.charAt(i)) != -1)
                i--;


            // Get the substring from the front of the string to
            // where the last non-whitespace character is...
            s = s.substring(0, i+1);
        }

        return s;
}


//=============================================================
//Trim(string) : Returns a copy of a string without leading or trailing spaces
//=============================================================
        function Trim(str)
        /*
                PURPOSE: Remove trailing and leading blanks from our string.
                IN: str - the string we want to Trim

                RETVAL: A Trimmed string!
        */
        {
                return RTrim(LTrim(str));
        }



function validEmail(email) {
	 invalidChars = " /:,;"
	
	if (email == "") {	// cannot be empty
	    //alert("Please enter your email address.");
	    return false
         }
	for (i=0; i<invalidChars.length; i++) {	// does it contain any invalid characters?
	badChar = invalidChars.charAt(i)
	if (email.indexOf(badChar,0) > -1) {
	   return false
	}
      }
      atPos = email.indexOf("@",1)	// there must be one "@" symbol
      if (atPos == -1) {
	 return false
      }
      if (email.indexOf("@",atPos+1) != -1) {	// and only one "@" symbol
	  return false
      }
      periodPos = email.indexOf(".",atPos)
      if (periodPos == -1) {			// and at least one "." after the "@"
	 return false
      }
      if (periodPos+3 > email.length)	{ // must be at least 2 characters after the "."
	 return false
      }
      return true
}


function ValidateForm(thisform) {
if (thisform._required != null) {
	if (Trim(thisform._required.value).length != "") {
	var fieldnames = thisform._required.value.split(",");
	var errormsg = "The form can not be submitted. Please complete all required information.";
		for (m=0; m<fieldnames.length; m++) {
			fieldname = Trim(fieldnames[m]);
			if (thisform.elements[fieldname].length===undefined) {
				if (Trim(thisform.elements[fieldname].value).length=="") {
		   		alert(errormsg);
				thisform.elements[fieldname].focus();
				return false;
					}
				if (fieldname.indexOf("email")>0) {
					if (validEmail(Trim(thisform.elements[fieldname].value))==false) {
					alert("Please enter a valid email address.");
					thisform.elements[fieldname].focus();
					return false;
						}
					}
				}
			else {
				thischecked = -1
				for (i=0; i<thisform.elements[fieldname].length; i++) {
					if (thisform.elements[fieldname][i].checked || (thisform.elements[fieldname][i].selected && thisform.elements[fieldname][i].value.length!="")) {
					thischecked = i;
						}
					}
				if (thischecked == -1) {
					alert("Please make a selection in all required fields.");
					return false;
					thisform.elements[fieldname][0].focus;
					}
				
				}
			}
		}
	}
}