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("Please enter a valid email address")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Please enter a valid email address")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Please enter a valid email address")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Please enter a valid email address")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Please enter a valid email address")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Please enter a valid email address")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Please enter a valid email address")
		    return false
		 }

 		 return true					
	}

function validateContactForm(form)
{

  if (form.Submitter_Name.value == "")
  {
    alert("Please enter your name.");
    form.Submitter_Name.focus();
	return (false);
     }

	
	if ((form.Submitter_Email.value==null)||(form.Submitter_Email.value=="")){
		alert("Please Enter your email address")
		form.Submitter_Email.focus()
		return false
	}
	if (echeck(form.Submitter_Email.value)==false){
		form.Submitter_Email.value=""
		form.Submitter_Email.focus()
		return false
	}

  
  if (form.Message.value == "")
  {
    alert("Please enter your message.");
    form.Message.focus();
    return (false);
  }  

  return (true);
  }
  


function ValidateForm(){
	var emailID=document.frmSample.Submitter_Email
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email ID")
		emailID.focus()
		return false
	}
	if (echeck(emailID.value)==false){
		emailID.value=""
		emailID.focus()
		return false
	}
  if (form.Submitter_Email.value == "")
  {
    alert("Please enter your email address.");
    form.Submitter_Email.focus();
    return (false);
  }	
	return true
 }