function dis_n(j1,j2) {
j1 = document.getElementById(j1);
j2 = document.getElementById(j2);
if (j1.style.zIndex=='-1' || j1.style.zIndex==''){
j1.style.background = '#FF9900';
j2.style.zIndex = '1';
}
}

function dis_b(j1,j2) {
j1 = document.getElementById(j1);
j2 = document.getElementById(j2);
if (j1.style.zIndex=='1' || j1.style.zIndex=='') {
j1.style.background = '#FFFFFF';
j2.style.zIndex = '-1';
}
}

function reinitIframe(){
var iframe = document.getElementById("win");
try{
var bHeight = iframe.contentWindow.document.body.scrollHeight;
var dHeight = iframe.contentWindow.document.documentElement.scrollHeight;
var height = Math.max(bHeight, dHeight);
iframe.height =  height;
}catch (ex){}
}