function validation1()   /*to check if the fields are empty or not */
	      {
		if(document.form1.uname.value=="")
			{
			alert("Please enter your name!")
			document.form1.uname.focus()
			return false;
			}
	    else if(document.form1.email_id.value=="")
			{
			alert("Please enter a valid email id!")
			document.form1.email_id.focus()
			return false;
			}
	    else if(document.form1.subject1.value=="")
			{
			alert("Please enter a message subject!")
			document.form1.subject1.focus()
			return false;
			}
	    else if(document.form1.message_body.value=="")
			{
			alert("Please enter your message!")
			document.form1.message_body.focus()
			return false;
			}
		else
			{
			document.getElementById("contactform").setAttribute("action","email.php");
			return true;
			}
		}