function test_drive() {
	
		$('full_name').value		= Trim($F('full_name'));
		$('contact_number').value	= Trim($F('contact_number'));		
		$('email').value 			= Trim($F('email'));
	
	
		if($F("full_name") == ''){
			alert("Enter Your Name");
			return false;
		}else if($F("contact_number") == ''){
			alert("Enter Phone Number");
			return false;
		}
		else if($F("email") =='' || !checkemail($F("email"))){
			alert("Enter Your Email Correctly");
			return false
		}else{
			
			$('test_drive_frm').submit();
			return true;
		}
	}
	
	//function for show the calender
	function show_calendar(obj)
	{
		gfPop.fStartPop(obj,Date);
	}