var origBorder = "1px solid gray";
	var strErrorBorder = "1px solid red";

	function checkEmail(email){
	  var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i
	  if (filter.test(email)) return true;
	  else return false;
	}

	function validateForm(){
		/*alert("mooo");
		/*return false;*/
		
		var elemName= document.getElementById("txtname");
		var elemTelephone= document.getElementById("txttelephone");

		var boolError = false;
		var strError = "";
	
		elemName.style.border = origBorder;
		elemTelephone.style.border = origBorder;
	
		if(elemName.value.length < 3) {
			strError += "Please fill in your name\n";		
			elemName.style.border = strErrorBorder;
			boolError = true;
		}
		
		if(elemTelephone.value.length == 0 ) {
			strError += "Please fill telephone number\n";		
			elemTelephone.style.border = strErrorBorder;
			boolError = true;
		} 

		if( boolError ) alert ( strError );
		return ! boolError;
	}