function showadd(){
	var name = document.getElementById("name").value;
	var email = document.getElementById("email").value;
	var httpye = document.getElementById("httpye").value;
	var accounts = document.getElementById("accounts").value;
	var contents = document.getElementById("contents").value;
	//alert(1);
	url="LeaveWordCommand?types=1";
	post="&name="+name+"&email="+email+"&httpye="+httpye+"&accounts="+accounts+"&contents="+contents;
	
	//alert(post);
	var httpRequest=gethttp_request();
	//alert(2);
	httpRequest.open("POST",url,true);
	//alert(3);
	httpRequest.onreadystatechange = getcontent;
	httpRequest.setrequestheader("content-type","application/x-www-form-urlencoded;charset=UTF-8"); 
	httpRequest.send(post);
	function getcontent()
		{
			if(httpRequest.readyState<4)
			{
				
			}
			if (httpRequest.readyState == 4) 
			{
				
				if (httpRequest.status==200)
				{				
					var end = httpRequest.responseText;
					if(end.split("")){
						alert("留言成功!感谢您的支持和关爱!");
						document.getElementById("name").value="";
						document.getElementById("email").value="";
						document.getElementById("httpye").value="";
						document.getElementById("accounts").value="";
						document.getElementById("contents").value="";
						window.history.back();
					}
					else{
						alert("留言成功,感谢您的支持和关爱!");
						window.history.back();
					}
					
				}
			}
		}
}