/**
 * @author msn:liujian@xiaoyemen.com
 */
addLoadEvent(closeContact);
addLoadEvent(openContact);
function closeContact(){
	if (!document.getElementById) return false;
	if (!document.getElementById("contact_form")) return false;
	var contactForm = document.getElementById("contact_form");
	contactForm.style.display = "none";
}
function openContact(){
	if (!document.getElementById) return false;
	if (!document.getElementsByTagName) return false;
	if(!document.getElementById("contentTxt")) return false;
	var contactForm = document.getElementById("contact_form");
	var open_form = document.getElementById("contentTxt");
	var click_link = open_form.getElementsByTagName("a");
	click_link[0].onclick = function(){
		if (contactForm.style.display == "none"){
			contactForm.style.display = "block";
		}
		else{
			contactForm.style.display = "none";
		}
	return false;
	}
}