<!--
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_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_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];}
}
//shopping cart function
function checkTmpCart(fldId, quant){
	if (isNaN(quant)||quant==''){
		alert("This is not a number");
		document.getElementById(fldId).focus();
		return false;
	}
	else{
		var decPat=/\./;
		var decMatch=quant.match(decPat);
		if (decMatch){
			alert("Decimals are not allowed");
			return false;
		}
	}
}
//shopping cart quantity validation
function checkQuant(){
	var a=document.forms['addtocart'].single.value;
	if (document.forms['addtocart'].tenpack){
		var b=document.forms['addtocart'].tenpack.value;
	}
	var c;
	for (var z=0; z<document.forms['addtocart'].elements.length; z++){
		if (document.forms['addtocart'].elements[z].name=="resource"){
			c=document.forms['addtocart'].resource.value;
		}
	}
	//check for decimals in number
	var decPat=/\./;
	var aMatch=a.match(decPat);
	if (b){
		var bMatch=b.match(decPat);	
	}
	if (c){
		var cMatch=c.match(decPat);
		if (a=='' && b=='' && c==''){
			alert ("Quantity Please");
		}
		else{
			if(aMatch){
				alert("Decimals are not allowed");
				document.forms['addtocart'].single.focus();
			}
			else if (isNaN(a)){
				alert("This is not a number");
				document.forms['addtocart'].single.focus();
			}
			else if(bMatch){
				alert("Decimals are not allowed");
				document.forms['addtocart'].tenpack.focus();
			}
			else if (isNaN(b)){
				alert("This is not a number");
				document.forms['addtocart'].tenpack.focus();
			}
			else if(cMatch){
				alert("Decimals are not allowed");
				document.forms['addtocart'].resource.focus();
			}
			else if (isNaN(c)){
				alert("This is not a number");
				document.forms['addtocart'].resource.focus();
			}
			else{
				document.forms['addtocart'].submit();
			}
		}
	}
	else{
		if (a=='' && b==''){
			alert ("Quantity Please");
		}
		else{

			if(aMatch){
				alert("Decimals are not allowed");
				document.forms['addtocart'].single.focus();
			}
			else if (a){
				if (isNaN(a)){
					alert("This is not a number");
					document.forms['addtocart'].single.focus();
				}
				else {
					document.forms['addtocart'].submit();
				}
			}
			else if(bMatch){
				alert("Decimals are not allowed");
				document.forms['addtocart'].tenpack.focus();
			}
			else if (b){
				if (isNaN(b)){
					alert("This is not a number");
					document.forms['addtocart'].tenpack.focus();
				}
				else {
					document.forms['addtocart'].submit();
				}
			}
			else{
				document.forms['addtocart'].submit();
			}
		}
	}
}
//administration area functions
function checkProduct(){
	for (var a=0; a<document.forms['semForm'].elements.length; a++){
		//alert(document.forms['semForm'].elements[a].name+"...."+document.forms['semForm'].elements[a].value);
		if (document.forms['semForm'].elements[a].value==''){
			alert("Cannot add a blank entry.  Please try again");
			return false;
		}
	}
	if (isNaN(document.forms['semForm'].productId.value)){
		alert("This field must be numeric!");
		document.forms['semForm'].productId.focus();
		return false;
	}
	var b=document.forms['semForm'].productId.value;
	
	if (b.length!=4){
		alert("this field must be four digits in length");
		document.forms['semForm'].productId.focus();
		return false;
	}
}
function checkDetails(){
	for (var a=0; a<document.forms['detForm'].elements.length; a++){
		//alert(document.forms['semForm'].elements[a].name+"...."+document.forms['semForm'].elements[a].value);
		if (document.forms['detForm'].elements[a].value==''){
			if(document.forms['detForm'].elements[a].name!="longDesc"){
			alert("Cannot add a blank entry.  Please try again");
			return false;
			}
		}
	}
	if (isNaN(document.forms['detForm'].sessionId.value)){
		alert("This field must be numeric!");
		document.forms['detForm'].sessionId.focus();
		return false;
	}
}
function checkObjs(item){
	if (!item){
		alert("Cannot add a blank entry");
		return false;
	}
}
function checkCredits(item){
	if (!item){
		alert("Cannot add a blank entry");
		return false;
	}
}
function checkAgenda(){
	//Check Times before continuing any further
	//beginning time
	var t1 = document.forms["agenForm"].begHour.value+":"+document.forms["agenForm"].begMin.value;
	var bT=(t1.substring(0, t1.indexOf(':'))-0)*60+(t1.substring(t1.indexOf(':')+1,t1.length)-0);
	//ending time
	var t2 = document.forms["agenForm"].endHour.value+":"+document.forms["agenForm"].endMin.value;
	var eT=(t2.substring(0, t2.indexOf(':'))-0)*60+(t2.substring(t2.indexOf(':')+1,t2.length)-0);
	var tDiff=eT-bT;
	if (tDiff<=0){
		alert('Ending Time must be greater than Beginning Time');
		return false;
	}
	//check activity
	for (var a=0; a<document.forms['agenForm'].elements.length; a++){
		if (document.forms['agenForm'].elements[a].value==''){
			alert("Cannot add a blank entry.  Please try again");
			return false;
		}
	}
}
function checkLinks(){
	if (document.forms['linksForm'].linkName.value==''){
		alert ("Link Name cannot be blank");
		return false;
	}
	if (document.forms['linksForm'].linkURL.value==''){
		alert ("Link URL cannot be blank");
		return false;
	}
}