function validate(contact) {
	
	if(contact.name.value=='') {
		alert("Please enter your 'Name'");
		return false;
	}
	
	if(contact.email.value=='') {
		alert("Please write your 'Email Address'");
		return false;
	}
	
	if(contact.phone.value=='') {
	alert("Please enter 'Phone Number'");
	return false;
	}
	
	if(contact.address.value=='') {
	alert("Please enter 'Address'");
	return false;
	}
	
	if(contact.case_description.value=='') {
	alert("Please enter 'Case Description'");
	return false;
	}
	var field = contact.email;
	var str = field.value;
	if(window.RegExp) {
		var reg1str = "(@.*@)|(\\.\\.)|(@\\.)|(\\.@)|(^\\.)";
		var reg2str = "^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$";
		var reg1 = new RegExp(reg1str);
		var reg2 = new RegExp(reg2str);
		if (!reg1.test(str) && reg2.test(str))
			return true;
		field.focus();
		field.select();
		alert("Please write correct 'Email Address'");
		return false;
	}
	else {
		if(str.indexOf("@") >= 0)
			return true;
		field.focus();
		field.select();
		alert("Please write correct 'Email Address'");
		return false;
	}
	
	
}