// This file contains common functions

	function trim(stringToTrim) { //Trim the string
		return stringToTrim.replace(/^\s+|\s+$/g,"");
	}
	
	function isValidEmail(str) { //Validate Email
		return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
	}	
	
	function blink(field){
		var errorcolor="#CC0033";
		field.focus();
		field.select();
		field.style.background=errorcolor;
		field_main=field;
		setInterval("temp()",500);
	}

	function temp(field){
		var okcolor="#ffffff";
		field_main.style.background=okcolor;
	}