function validDigits(ElementValue){
	var digits="0123456789.";
	var frmElement=ElementValue;
	var temp;
	for(var i=0;i<frmElement.length;i++){
		temp=frmElement.substring(i,i+1);
		if(digits.indexOf(temp)==-1){
			return (false);
		}
	}
	return (true);
}

function validCharacters(ElementValue){
	var digits="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789@_.";
	var frmElement=ElementValue;
	var temp;
	for(var i=0;i<frmElement.length;i++){
		temp=frmElement.substring(i,i+1);
		if(digits.indexOf(temp)==-1){
			return (false);
		}
	}
	return (true);
}

/*function for checking blank fields*/
function IsBlank(ElementValue){
	
	var frmElement=ElementValue;
	var temp;
	var countSpace=0;
	for(var i=0;i<frmElement.length;i++){
		temp=frmElement.substring(i,i+1);
		if(temp.indexOf(" ")!=-1){
			countSpace++;
		}
	}
	if (countSpace==frmElement.length)
		return (false);
	
	return (true);
}

/*function for checking Email address*/
function IsEmailValid(ElementValue)
	{
	
	
	var EmailOk  = true;
	var Temp     = ElementValue;
	var AtSym    = Temp.indexOf('@');
	var Period   = Temp.lastIndexOf('.');
	var Space    = Temp.indexOf(' ');
	var Dot      = Temp.indexOf('.');
	var Length   = Temp.length - 1;   // Array is from 0 to length-1

	if ((AtSym < 1) ||                     // '@' cannot be in first position
	    (Period <= AtSym+1) ||             // Must be atleast one valid char btwn '@' and '.'
	    (Period == Length ) ||             // Must be atleast one valid char after '.'
	    (Space  != -1)      ||              // No empty spaces permitted
	    (Dot ==0 )          ||            // No Dot on first position permitted
	    (Dot+1 ==AtSym ))                      // No Dot on first position permitted
	   {  
	      EmailOk = false;
	   }
	return EmailOk;
}

function changeColor(d){

	d.backgroundcolor="red";
}

function toggleLayer (layer, img)
{
 if (document.getElementById(layer).style.visibility == 'visible')
 {
	
  	hideLayer (layer, img)
 }
 else 
 {
  	showLayer (layer, img)
 }

}

function hideLayer (layerName, img)
{
			document.getElementById(layerName).style.visibility = "hidden";
			document.getElementById(layerName).style.display = "none";			
			img.src='../images/down.gif';
}
function showLayer (layerName, img)
{

 			document.getElementById(layerName).style.visibility = "visible";
			document.getElementById(layerName).style.display = "block";						
			img.src='../images/up.gif';
			ajaxSetDivShowVariable(layerName);
} 

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_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 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 hideLayer1 (layerName)
{
			document.getElementById(layerName).style.visibility = "hidden";
			document.getElementById(layerName).style.display = "none";			
			
}
function showLayer1 (layerName)
{

 			document.getElementById(layerName).style.visibility = "visible";
			document.getElementById(layerName).style.display = "block";						
}