var newWindow = null;

function closeWin(){
        if (newWindow != null){
                if(!newWindow.closed)
                        newWindow.close();
        }
}

function popUpWin(url, type, strWidth, strHeight){
        
        closeWin();
                
        type = type.toLowerCase();
        
        if (type == "fullscreen"){
                strWidth = screen.availWidth;
                strHeight = screen.availHeight;
        }
        var tools="";
        if (type == "standard") tools = "resizable,toolbar=yes,location=yes,scrollbars=yes,menubar=yes,width="+strWidth+",height="+strHeight+",top=0,left=0";
        if (type == "console" || type == "fullscreen") tools = "resizable,toolbar=no,location=no,scrollbars=yes,width="+strWidth+",height="+strHeight+",left=0,top=0";
        newWindow = window.open(url, 'newWin', tools);
        newWindow.focus();
}

function doPopUp(e)
{
//set defaults - if nothing in rel attrib, these will be used
var t = "standard";
var w = "780";
var h = "580";
//look for parameters
attribs = this.rel.split(" ");
if (attribs[1]!=null) {t = attribs[1];}
if (attribs[2]!=null) {w = attribs[2];}
if (attribs[3]!=null) {h = attribs[3];}
//call the popup script
popUpWin(this.href,t,w,h);
//cancel the default link action if pop-up activated
if (window.event)
        {
        window.event.returnValue = false;
        window.event.cancelBubble = true;
        }
else if (e)
        {
        e.stopPropagation();
        e.preventDefault();
        }
}

function findPopUps()
{
var popups = document.getElementsByTagName("a");
for (i=0;i<popups.length;i++)
        {
        if (popups[i].rel.indexOf("popup")!=-1)
                {
                // attach popup behaviour
                popups[i].onclick = doPopUp;
                // add popup indicator
                if (popups[i].rel.indexOf("noicon")==-1)
                        {
                        popups[i].style.backgroundImage = "url(pop-up.gif)";
                        popups[i].style.backgroundPosition = "0 center";
                        popups[i].style.backgroundRepeat = "no-repeat";
                        popups[i].style.paddingLeft = "15px";
                        }
                // add info to title attribute to alert fact that it's a pop-up window
                popups[i].title = popups[i].title + " [Opens in pop-up window]";
                }
        }
}

addEvent(window, 'load', findPopUps, false);