//浮动窗口、留言检测！
function ly2(){
		var lay2=document.getElementById("lay_mes_ok");
		var lays=document.getElementById("lay_mes_close");
		var lynews1=document.getElementById("lynews1");
		lays.style.top=document.body.scrollTop+(document.body.clientHeight-lays.offsetHeight);
		lays.style.left=document.body.scrollLeft+(document.body.clientWidth-lays.offsetWidth);
		lay2.style.top=document.body.scrollTop+(document.body.clientHeight-lay2.offsetHeight);
		lay2.style.left=document.body.scrollLeft+(document.body.clientWidth-lay2.offsetWidth);
		lynews1.style.top=document.body.scrollTop;
		lynews1.style.left=document.body.scrollLeft+(document.body.clientWidth-document.getElementById("lynews1").offsetWidth)/2;
}
function ln(){
	ly2();
}
window.onscroll=ln;
window.onresize=ln;
window.onload=ln;
function open_mes(){
		var lay2=document.getElementById("lay_mes_ok");
		var lays=document.getElementById("lay_mes_close");
		if(lay2.style.visibility=="visible"){
			lay2.style.visibility="hidden";
			lays.style.visibility="visible";
		}else{
			lay2.style.visibility="visible";
			lays.style.visibility="hidden";
		}
}
function check_name(){
	if(document.guest_mes.guest_name.value=="请输入姓名！"){
	document.guest_mes.guest_name.value="";
	}
}
function check_where(){
	if(document.guest_mes.guest_where.value=="输入省、市即可。"){
	document.guest_mes.guest_where.value="";
	}
}
function check_tel(){
	if(document.guest_mes.guest_tel.value=="请输入联系方式。"){
	document.guest_mes.guest_tel.value="";
	}
}
function check_contents(){
	if(document.guest_mes.guest_contents.value=="字符不少于30字！"){
	document.guest_mes.guest_contents.value="";
	}
}
function check_mes(){
	if(document.guest_mes.guest_name.value=="" | document.guest_mes.guest_name.value=="请输入姓名！"){
		alert("请输入称呼,称呼不能小于3个字！")
		document.guest_mes.guest_name.focus();
		return false;
		}
	if(document.guest_mes.guest_where.value=="" | document.guest_mes.guest_where.value=="输入省、市即可。"){
		alert("请输入来自哪里！")
		document.guest_mes.guest_where.focus();
		return false;
		}
	if(document.guest_mes.guest_tel.value=="" | document.guest_mes.guest_tel.value=="请输入联系方式。"){
		alert("请输入联系方式！以数字方式输入")
		document.guest_mes.guest_tel.focus();
		return false;
		}
	if(document.guest_mes.guest_contents.value=="" | document.guest_mes.guest_contents.value=="字符不少于30字！"){
		alert("请输入留言内容！内容不能小于10个字！")
		document.guest_mes.guest_contents.focus();
		return false;
		}
}