function trim(str, chars) {
		return ltrim(rtrim(str, chars), chars);
	}
	 
	function ltrim(str, chars) {
		chars = chars || "\\s";
		return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
	}
	 
	function rtrim(str, chars) {
		chars = chars || "\\s";
		return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
	}
	function validation(frm,emailid,captchaid){
		form = eval("document."+frm);
		var emailPattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
		email = document.getElementById(emailid);
		captcha = document.getElementById(captchaid);
		newemail = trim(email.value);
		if(newemail == 'your@email.com'){
			alert("Please Enter Valid Email Address");
			email.focus();
			return false;
		}
		if(!emailPattern.test(newemail)){
			alert("Please Enter Valid Email Address");
			email.focus();
			return false;
		}
		if(captcha.value != '28ivw'){
			alert("Please Enter Valid Image Code");
			captcha.focus();
			return false;
		}
	}