var dragapproved=false;
var minrestore=0;
var initialwidth,initialheight;
var ie5=document.all&&document.getElementById;
var ns6=document.getElementById&&!document.all;

function iecompattest(){
return (!window.opera && document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body;
}

function drag_drop(e){
if (ie5&&dragapproved&&event.button==1){
document.getElementById("dwindow").style.left=tempx+event.clientX-offsetx+"px";
document.getElementById("dwindow").style.top=tempy+event.clientY-offsety+"px";
}
else if (ns6&&dragapproved){
document.getElementById("dwindow").style.left=tempx+e.clientX-offsetx+"px";
document.getElementById("dwindow").style.top=tempy+e.clientY-offsety+"px";
}
}

function initializedrag(e){
offsetx=ie5? event.clientX : e.clientX;
offsety=ie5? event.clientY : e.clientY;
document.getElementById("dwindowcontent").style.display="none"; //extra
tempx=parseInt(document.getElementById("dwindow").style.left);
tempy=parseInt(document.getElementById("dwindow").style.top);

dragapproved=true;
document.getElementById("dwindow").onmousemove=drag_drop;
}

function loadwindow(url,width,height){
if (!ie5&&!ns6)
window.open(url,"","width=width,height=height,scrollbars=1");
else{
document.getElementById("dwindow").style.display='';
document.getElementById("dwindow").style.width=initialwidth=width+"px";
document.getElementById("dwindow").style.height=initialheight=height+"px";
document.getElementById("dwindow").style.left="30px";
document.getElementById("dwindow").style.top=ns6? window.pageYOffset*1+30+"px" : iecompattest().scrollTop*1+30+"px";
document.getElementById("cframe").src=url;
}
}

function maximize(){
if (minrestore==0){
minrestore=1; //maximize window
document.getElementById("maxname").setAttribute("src","restore.gif");
document.getElementById("dwindow").style.width=ns6? window.innerWidth-20+"px" : iecompattest().clientWidth+"px";
document.getElementById("dwindow").style.height=ns6? window.innerHeight-20+"px" : iecompattest().clientHeight+"px";
}
else{
minrestore=0; //restore window
document.getElementById("maxname").setAttribute("src","max.gif");
document.getElementById("dwindow").style.width=initialwidth;
document.getElementById("dwindow").style.height=initialheight;
}
document.getElementById("dwindow").style.left=ns6? window.pageXOffset+"px" : iecompattest().scrollLeft+"px";
document.getElementById("dwindow").style.top=ns6? window.pageYOffset+"px" : iecompattest().scrollTop+"px";
}

function closeit(){
document.getElementById("dwindow").style.display="none";
}

function stopdrag(){
dragapproved=false;
document.getElementById("dwindow").onmousemove=null;
document.getElementById("dwindowcontent").style.display=""; //extra
}