// JavaScript Document
function call_valid()
		{
			var ab=document.call_back;
	if(ab.name.value=="")
		  {
		      alert( "pls enter the name");
			  ab.name.focus();
		      return false;
		}
		if(ab.name.value.length<4)
		  {
		      alert( "pls enter minimum 4 char our name");
			  ab.name.focus();
		      return false;
		}
	if(ab.mobile.value=="")
	   {
		  alert( "pls enter the mobile");
		  ab.mobile.focus();
		  return false;
	   }
	  if(ab.mobile.value.length<10)
		  {
		      alert( "pls enter minimum 10 Digit mobile Number");
			  ab.mobile.focus();
		      return false;
		} 
	   if(ab.email.value=="")
	   {
		  alert( "pls enter the EMAIL ");
		  ab.email.focus();
		  return false;
	   }
	  if (!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,4})+$/.test(ab.email.value))) {
		alert("Invalid Email ID. Kindly enter the correct ID.");
			ab.email.focus();
		return false;
         }
	 return true;
	   }