// JavaScript Document
function validation(){
	d = document.msg;
	if(d.fname.value==""){
		alert("Please Type Your First Name !!!");
		d.fname.focus();
		return false;
		}
	if(d.lname.value==""){
		alert("Please Type Your Last Name !!!");
		d.lname.focus();
		return false;
		}		
	if(d.phoneno.value==""){
		alert("Please Type Your Phone No. !!!");
		d.phoneno.focus();
		return false;
		}else{
				if(!(isInteger(d.phoneno.value))){
						alert("Please enter valid Phone number !!!");
						 return false;
					}
				if(d.phoneno.value.length!= 10){
						alert("Please Enter Your 10 Digit No. !!! ");
						return false;
				}
			}
		
		
		
		
	if(!d.email.value.match(/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i)){
		alert("Please Enter Your Valid Email Address");
		d.email.focus();
		return false;
		}
	if(d.message.value==""){
		alert("Please Enter Your Message");
		d.message.focus();
		return false;		
		}	
		
		
	function isInteger(s){
		var i;
		for (i = 0; i < s.length; i++){   
		 // Check that current character is number.
		 var c = s.charAt(i);
		 if (((c < "0") || (c > "9"))) return false;
		}
		
		// All characters are numbers.
		return true;
	   }		
		
	}