function echeck(str) {
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail Address")
		   return false
		}
		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail Address")
		   return false
		}
		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail Address")
		    return false
		}
		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail Address")
		    return false
		 }
		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail Address")
		    return false
		 }
		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail Address")
		    return false
		 }
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail Address")
		    return false
		 }
 		 return true					
	}

function ValidateForm(){
	var emailID=document.paper.email;
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email Address")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
	
	if (document.paper.itemtitle.value == "")
		{
		alert ("You must enter a title for your item.")
		document.paper.itemtitle.focus();
		return false;
		}
	if (document.paper.price.value == "")
		{
		alert ("You must enter a price.")
		document.paper.price.focus();
		return false;
		}
	
	if (document.paper.description.value == "")
		{
		alert ("You must enter a few words in your item description.")
		document.paper.description.focus();
		return false;
		}
	if (document.paper.location.value == "")
		{
		alert ("You must enter a location.")
		document.paper.location.focus();
		return false;
		}
	if (document.paper.telno.value == "")
		{
		alert ("You must enter your telephone number.")
		document.paper.telno.focus();
		return false;
		}
	return true
 }

 function imposeMaxLength(Object, MaxLen)
{
  return (Object.value.length <= MaxLen);
}

function checkIfNum(evt)
{
evt = (evt) ? evt :window.event
var charCode = (evt.which) ? evt.which : evt.keyCode
if ((charCode <48 || charCode >57)&& charCode != 46)
	{
	status = "This field accepts numbers only."
	return false
	}
	status = ""
	return true
}