// JavaScript Document
//addLoadEvent(open_win);
function showDiv(){
var block=document.getElementById("block");
var fload=document.getElementById("fload");
var scro_height=document.documentElement.scrollHeight;
var cli_height=document.documentElement.clientHeight;
var cli_width=document.documentElement.clientWidth;
//遮盖层
//alert(block)
block.style.display="block";
if(scro_height>cli_height){
block.style.height=scro_height+"px";
}
else{block.style.height=cli_height+"px";}
block.style.width=cli_width+"px";
//内容层
fload.style.display="block";
fload.style.left=((cli_width-fload.offsetWidth)/2)+"px";
fload.style.top=(document.documentElement.scrollTop+(cli_height-fload.offsetHeight)/2)+"px";
}
function close_win(){
var block=document.getElementById("block");
var fload=document.getElementById("fload");
block.style.display="none";
fload.style.display="none";
}