//  This file contains common javascript methods to provide ease of reuse.


// Create a javascript String.trim() function to skip leading
// and trailing whitespace and return everything in between
String.prototype.trim = function()
{
  return this.replace(/^\s*(\b.*\b|)\s*$/, "$1");
}


// Use the following for browser dependent coding
var browser = new Object();
browser.version = parseInt(navigator.appVersion);
browser.isNavigator = false;
browser.isIE = false;
if (navigator.appName.indexOf("Microsoft") != -1) {
   browser.isIE = true;
} else if (navigator.appName.indexOf("Netscape") != -1) {
   browser.isNavigator = true;
}

var strHelpOptions = "location=no";
strHelpOptions += ",toolbar=no";
strHelpOptions += ",menubar=no";
strHelpOptions += ",status=yes";
strHelpOptions += ",scrollbars=yes";
strHelpOptions += ",resizable=yes";
strHelpOptions += ",top=0";
strHelpOptions += ",left=0";
strHelpOptions += ",width=500";
strHelpOptions += ",height=400";

function ShowHelp(strUrl)
{

window.open(strUrl, "Help", strHelpOptions);

}

// Select the first editable field on the first form
// If the calling page has more than one form, you can
// call this method passing the form argument
// ex.  <script>selectFirstEditableField();</script>
// ex.  <script>selectFirstEditableField(document.formName);</script>

function selectFirstEditableField()
{
   
   var f;
   if (arguments.length < 1) {
      f = document.forms[0];
   } else {
      f = arguments[0];
   }
   var e = f.elements;

   for (var i=0; i<f.elements.length; i++)
   {
      //alert('checking ' + form.elements[i].name);
      //alert("type = " + form.elements[i].type);
      if (f.elements[i].type == "radio")
      {
         if (!f.elements[i].disabled)
         {
            //alert('setting focus to ' + form.elements[i].name);
            f.elements[i].focus();
            break;
         }
      }
      else if (!(f.elements[i].type == "hidden"))
      {
         //alert('setting focus to ' + form.elements[i].name);
         f.elements[i].focus();
         break;
      }
      else
      {
         //alert("found hidden field, skipping...");
         ;
      }
   }
}

function globalOnLoad() {
	MM_preloadImages('/images/genericCustomersOn.gif','/images/genericEmployersOn.gif','/images/genericProvidersOn.gif','/images/genericProductsOn.gif','/images/genericAboutOn.gif');
}

function MM_reloadPage(init) {  //Updated by PVII. 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_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 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_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

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 P7_downImage() {
var g7;
if ((g7=MM_findObj(g7obj))!=null) {g7.src=g7url;}
}

function P7_autoLayers() { //v1.2 by PVII
 var g,b,k,f,args=P7_autoLayers.arguments;
 var a = parseInt(args[0]);if(isNaN(a))a=0;
 if(!document.p7setc) {p7c=new Array();document.p7setc=true;
  for (var u=0;u<10;u++) {p7c[u] = new Array();}}
 for(k=0; k<p7c[a].length; k++) {
  if((g=MM_findObj(p7c[a][k]))!=null) {
   b=(document.layers)?g:g.style;b.visibility="hidden";}}
 for(k=1; k<args.length; k++) {
  if((g=MM_findObj(args[k])) != null) {
   b=(document.layers)?g:g.style;b.visibility="visible";f=false;
   for(j=0;j<p7c[a].length;j++) {
    if(args[k]==p7c[a][j]) {f=true;}}
  if(!f) {p7c[a][p7c[a].length++]=args[k];}}}
}

function P7_ReDoIt() { //v1.21 by PVII
 if(document.layers) {MM_reloadPage(false);}
}

function P7_Snap() { //v2.62 by PVII
  var x,y,ox,bx,oy,p,tx,a,b,k,d,da,e,el,args=P7_Snap.arguments;a=parseInt(a);
  for (k=0; k<(args.length-3); k+=4)
   if ((g=MM_findObj(args[k]))!=null) {
    el=eval(MM_findObj(args[k+1]));
    a=parseInt(args[k+2]);b=parseInt(args[k+3]);
    x=0;y=0;ox=0;oy=0;p="";tx=1;da="document.all['"+args[k]+"']";
    if(document.getElementById) {
     d="document.getElementsByName('"+args[k]+"')[0]";
     if(!eval(d)) {d="document.getElementById('"+args[k]+"')";if(!eval(d)) {d=da;}}
    }else if(document.all) {d=da;} 
    if (document.all || document.getElementById) {
     while (tx==1) {p+=".offsetParent";
      if(eval(d+p)) {x+=parseInt(eval(d+p+".offsetLeft"));y+=parseInt(eval(d+p+".offsetTop"));
      }else{tx=0;}}
     ox=parseInt(g.offsetLeft);oy=parseInt(g.offsetTop);var tw=x+ox+y+oy;
     if(tw==0 || (navigator.appVersion.indexOf("MSIE 4")>-1 && navigator.appVersion.indexOf("Mac")>-1)) {
      ox=0;oy=0;if(g.style.left){x=parseInt(g.style.left);y=parseInt(g.style.top);
      }else{var w1=parseInt(el.style.width);bx=(a<0)?-5-w1:-10;
      a=(Math.abs(a)<1000)?0:a;b=(Math.abs(b)<1000)?0:b;
      x=document.body.scrollLeft + event.clientX + bx;
      y=document.body.scrollTop + event.clientY;}}
   }else if (document.layers) {x=g.x;y=g.y;var q0=document.layers,dd="";
    for(var s=0;s<q0.length;s++) {dd='document.'+q0[s].name;
     if(eval(dd+'.document.'+args[k])) {x+=eval(dd+'.left');y+=eval(dd+'.top');break;}}}
   if(el) {e=(document.layers)?el:el.style;
   var xx=parseInt(x+ox+a),yy=parseInt(y+oy+b);
   if(navigator.appName=="Netscape" && parseInt(navigator.appVersion)>4){xx+="px";yy+="px";}
   if(navigator.appVersion.indexOf("MSIE 5")>-1 && navigator.appVersion.indexOf("Mac")>-1){
    xx+=parseInt(document.body.leftMargin);yy+=parseInt(document.body.topMargin);
    xx+="px";yy+="px";}e.left=xx;e.top=yy;}}
}

function MM_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.getElementById(n); return x;
}

function P7_Snap() { //v2.62 by PVII
  var x,y,ox,bx,oy,p,tx,a,b,k,d,da,e,el,args=P7_Snap.arguments;a=parseInt(a);
  for (k=0; k<(args.length-3); k+=4)
   if ((g=MM_findObj(args[k]))!=null) {
    el=eval(MM_findObj(args[k+1]));
    a=parseInt(args[k+2]);b=parseInt(args[k+3]);
    x=0;y=0;ox=0;oy=0;p="";tx=1;da="document.all['"+args[k]+"']";
    if(document.getElementById) {
     d="document.getElementsByName('"+args[k]+"')[0]";
     if(!eval(d)) {d="document.getElementById('"+args[k]+"')";if(!eval(d)) {d=da;}}
    }else if(document.all) {d=da;} 
    if (document.all || document.getElementById) {
     while (tx==1) {p+=".offsetParent";
      if(eval(d+p)) {x+=parseInt(eval(d+p+".offsetLeft"));y+=parseInt(eval(d+p+".offsetTop"));
      }else{tx=0;}}
     ox=parseInt(g.offsetLeft);oy=parseInt(g.offsetTop);var tw=x+ox+y+oy;
     if(tw==0 || (navigator.appVersion.indexOf("MSIE 4")>-1 && navigator.appVersion.indexOf("Mac")>-1)) {
      ox=0;oy=0;if(g.style.left){x=parseInt(g.style.left);y=parseInt(g.style.top);
      }else{var w1=parseInt(el.style.width);bx=(a<0)?-5-w1:-10;
      a=(Math.abs(a)<1000)?0:a;b=(Math.abs(b)<1000)?0:b;
      x=document.body.scrollLeft + event.clientX + bx;
      y=document.body.scrollTop + event.clientY;}}
   }else if (document.layers) {x=g.x;y=g.y;var q0=document.layers,dd="";
    for(var s=0;s<q0.length;s++) {dd='document.'+q0[s].name;
     if(eval(dd+'.document.'+args[k])) {x+=eval(dd+'.left');y+=eval(dd+'.top');break;}}}
   if(el) {e=(document.layers)?el:el.style;
   var xx=parseInt(x+ox+a),yy=parseInt(y+oy+b);
   if(navigator.appName=="Netscape" && parseInt(navigator.appVersion)>4){xx+="px";yy+="px";}
   if(navigator.appVersion.indexOf("MSIE 5")>-1 && navigator.appVersion.indexOf("Mac")>-1){
    xx+=parseInt(document.body.leftMargin);yy+=parseInt(document.body.topMargin);
    xx+="px";yy+="px";}e.left=xx;e.top=yy;}}
}


// Puts the exit icon by all external links
function exitLink()
{
	if (document.getElementById && document.all)
	{
		var browser="IE";
	}
	else
	{
		var browser="notIE";
	}
  var e = document.getElementById('contentWrapper');
  if (e)
	{
    var a=e.getElementsByTagName('a');
    for (var i=0;i<a.length;i++)
		{
			if (browser == "IE")
			{
				if (a[i].getAttribute('href') != null && a[i].getAttribute('href').lastIndexOf(".pdf",a[i].length) == -1 && a[i].getAttribute('href',2).indexOf("://") >= 0 && a[i].getAttribute('href',2).indexOf("bcbsal.org") == -1)
				{
					var icon = document.createElement('img');
					icon.src = '/newImages/exitIcon.gif';
					icon.border = '0';
					icon.alt = '';
					var iconLink = document.createElement('a');
					iconLink.href = a[i].href;
					iconLink.title = 'This link takes you to another web site.';
					var space = document.createTextNode(String.fromCharCode(160));
					iconLink.appendChild(icon);
					a[i].title = 'This link takes you to another web site.';
					a[i].parentNode.insertBefore(space,a[i]);
					space.parentNode.insertBefore(iconLink,space);
					i++;
				}
			}
			else
			{
				if (a[i].getAttribute('href') != null && a[i].getAttribute('href').lastIndexOf(".pdf",a[i].length) == -1 && a[i].getAttribute('href').indexOf("://") >= 0 && a[i].getAttribute('href').indexOf("bcbsal.org") == -1)
				{
					a[i].className+=a[i].className?' exitLink':'exitLink';
					a[i].title='This link takes you to another web site.';
				}			
			}
    }
  }
}


function pdfLink()
{
	if (navigator.appName == "Microsoft Internet Explorer")
	{
		var browser="IE";
	}
	else
	{
		var browser="notIE";
	}
  var e = document.getElementById('contentWrapper');
  if (e)
	{
    var a=e.getElementsByTagName('a');
    for (var i=0;i<a.length;i++)
		{
			if (browser == "IE")
			{
				if (a[i].getAttribute('href') != null && a[i].getAttribute('href').lastIndexOf(".pdf",a[i].length) >= 0)
				{
					var icon = document.createElement('img');
					icon.src = '/newImages/pdfIcon.gif';
					icon.border = '0';
					icon.alt = '';
					var iconLink = document.createElement('a');
					iconLink.href = a[i].href;
					iconLink.onclick = function(){newWin=window.open(this.href,'pdf'+new Date().getTime(), 'toolbar=no, location=yes, resizable=yes, top=300, left=300, height=500, width=600');if(window.focus){newWin.focus()} return false;}					
					iconLink.title = 'This link opens a pdf document in a new window.';
					var space = document.createTextNode(String.fromCharCode(160));
					iconLink.appendChild(icon);
					a[i].title += 'This link opens a pdf document in a new window.';
					a[i].onclick = function(){newWin=window.open(this.href,'pdf'+new Date().getTime(), 'toolbar=no, location=yes, resizable=yes, top=300, left=300, height=500, width=600');if(window.focus){newWin.focus()} return false;}
					a[i].parentNode.insertBefore(space,a[i]);
					space.parentNode.insertBefore(iconLink,space);
					i++;
				}
			}		
			else
			{
				if (a[i].getAttribute('href') != null && a[i].getAttribute('href').lastIndexOf(".pdf",a[i].length) >= 0)
				{
					a[i].className +=a[i].className?' pdfLink':'pdfLink';
					a[i].title += 'This link opens a pdf document in a new window.';
					a[i].onclick = function(){newWin=window.open(this.href,'pdf'+new Date().getTime(), 'toolbar=no, location=yes, resizable=yes, top=300, left=300, height=500, width=600');if(window.focus){newWin.focus()} return false;}
				}
			}
		}
  }
}
function links()
{
	if (document.getElementById)
	{
		exitLink();
		pdfLink();
	}
}

function textCounter(field,maxlimit) {
	if (escape(field.value).length > maxlimit){ // if too long...trim it!
		field.value = field.value.substring(0, maxlimit);
	}
}