//DHTML Window script- Copyright Dynamic Drive (http://www.dynamicdrive.com)
//For full source code, documentation, and terms of usage,
//Visit http://www.dynamicdrive.com/dynamicindex9/dhtmlwindow.htm
//Changes by Brian Daley

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
}

// Center the window in the viewport
function loadwindow(url,width,height){
  if (!ie5&&!ns6) {
    window.open(url,"","width=width,height=height,scrollbars=1")
  }
  else{
    var xInner ,yInner ;
    if (self.innerHeight) {
      // all except Explorer
      xInner  = self.innerWidth;
      yInner  = self.innerHeight;
    }
    else if (document.documentElement && document.documentElement.clientHeight) {
      // Explorer 6 Strict Mode
      xInner  = document.documentElement.clientWidth;
      yInner  = document.documentElement.clientHeight;
    }
    else if (document.body) {
      // other Explorers
      xInner  = document.body.clientWidth;
      yInner  = document.body.clientHeight;
    }

    var xScrolling ,yScrolling ;
    if (self.pageYOffset) {
      // all except Explorer
      xScrolling  = self.pageXOffset;
      yScrolling  = self.pageYOffset;
    }
    else if (document.documentElement && document.documentElement.scrollTop) {
      // Explorer 6 Strict
      xScrolling  = document.documentElement.scrollLeft;
      yScrolling  = document.documentElement.scrollTop;
    }
    else if (document.body) {
      // all other Explorers
      xScrolling  = document.body.scrollLeft;
      yScrolling  = document.body.scrollTop;
    }

    xc = Math.round((xInner/2)-(width/2) +  xScrolling);
    yc = Math.round((yInner/2)-(height/2) + yScrolling);

    // Make sure we have at least one parameter for the url.
    // Helps prevent browser caching.
    // Most of the popups have Analytics we want to fire every time.
    if (url.indexOf('?') == -1) {
      url = url + "?ts=" + new Date();
    }
    else {
      url = url + "&ts=" + new Date();
    }

    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 = xc+"px";
    document.getElementById("dwindow").style.top = yc+"px";
    document.getElementById("diframe").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";
  document.getElementById("diframe").src="";
}

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