function checkfields(){
	if(document.getElementById("tblname").value == "")	{
		alert("Please enter your Name");
		return false;
	}
	
	if(document.getElementById("tblemail").value == "")	{
		alert("Please enter your Email Address");
		return false;
	}
	
	var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
  	var address = document.getElementById("tblemail").value;
   	if(reg.test(address) == false) {
      alert('Invalid Email Address');
      return false;
   	}
	
	if(document.getElementById("tblsubject").value == "")	{
		alert("Please enter a Subject");
		return false;
	}
	
	if(document.getElementById("tblmessage").value == "")	{
		alert("Please enter your Message");
		return false;
	}
	
}