function chk_frm()
				{
				if(form1.name.value=="")
					{
					alert("Your Name is a compulsory field");
					form1.name.focus();
					return false;
					}
			
					if(form1.email.value=="")
					{
					alert("Email Address is a compulsory field.");
					form1.email.focus();
					return false;						
					}else{
			var emailStr=document.getElementById("email").value;
			var reg1 = /(@.*@)|(\.\.)|(@\.)|(\.@)|(^\.)/; // not valid
			var reg2 = /^.+\@(\[?)[a-zA-Z0-9\-\.]+\.([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$/; // valid
			if (!(!reg1.test(emailStr) && reg2.test(emailStr))) 
			{
			alert("Please check Your Email Address");
			document.getElementById("email").focus();
			return false;   
			}
		}
		///^([-+]?[0-9]*\.?[0-9]+)$/; 
		 if(form1.phone.value=="")
					{
					alert("Phone is a compulsory field");
					form1.phone.focus();
					return false;
					}else if(!((/^\d{2}\s?\d{4}\s?\d{4}$/).test(form1.phone.value)))
					{ alert("Please Check the format of your phone no. Include your Area Code (eg: 07 12113345)");
					form1.phone.focus();
					return false;
					}
					
 if(form1.mobile.value)
 {
   if(!((/^\d{4}\s?\d{3}\s?\d{3}$/).test(form1.mobile.value)))
					{ alert("Please Check the format of your mobile no. Include your Area Code (eg: 0733 101 735)");
					 form1.mobile.focus();
					 return false;
					}
 }
				}