// JavaScript Document
function validateform(formObj)
  {
  if(formObj.txtFName.value.length == 0)
  {
  	alert("Enter your Name");
	formObj.txtFName.focus();
	return false;
  }
  
  if(formObj.txtLocation.value.length == 0)
  {
  	alert("Enter Your Location");
	formObj.txtLocation.focus();
	return false;
  }
  
  
  
  if(formObj.txtPhone.value.length == 0)
  {
  	alert("Enter Your Phone Number");
	formObj.txtPhone.focus();
	return false;
  }
  
  if(formObj.txtEmail.value.length == 0)
  {
  	alert("Enter Email");
	return false;
  }
   var emailID=formObj.txtEmail
	
	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(formObj.txtDesc.value.length == 0)
  {
  	
	alert("Enter Your Comments");
	formObj.txtDesc.focus();
	return false;
  }
   
  
 
  return true; 
  
  }
  
  
  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 ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}