/* This is our current popup function - parts of the site still use it, so I need to keep it */ 
function popUp(strURL,strType,strHeight,strWidth)	{
	var strOptions="";
	if (strType=="console") strOptions="scrollbars,resizable,height="+strHeight+",width="+strWidth;
	if (strType=="fixed") strOptions="status,height="+strHeight+",width="+strWidth;
	if (strType=="elastic") strOptions="toolbar,menubar,scrollbars,resizable,location,height="+strHeight+",width="+strWidth;
	window.open(strURL, 'newWin', strOptions);
}

/* Simon Willison's addLoadEvent function allows you to stack up 'window.onload' events without them stepping on each other's toes. It's explained here - http://www.sitepoint.com/blog-post-view.php?id=171578 */
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} 
	else	{
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

/* new accessible, unobtrusive popup code */
function windowLinks()	{					// create a new function called windowLink();
	if(!document.getElementsByTagName)	{	// Only run the function on browsers that 
		return;								// understand 'getElementsByTagName' - new browsers
	}
	var anchors = document.getElementsByTagName("a"); // grab all links and pop them in an array called 'anchors' 
    for (var i = 0; i < anchors.length; i++) {        // start a loop to work our way through  
         var anchor = anchors[i];                     // grab the next link & copy it to 'anchor' for working 
         var relIndex = anchor.rel;                   // get the value of it's 'REL' attribute 
         if (relIndex){                               // does it have a value for REL?... 
         var relSplit = relIndex.split("|");           
         /* if it does, look for '|' to use to split the value into an 
         array - relSplit[0], relSplit[1], relSplit[2], etc . If it doesn't 
         find any '|', the whole value gets transferred to relSplit[0] */ 
/* XHTML compliant target attribute */ 
         if (relSplit[0] == "external") {       // If the relSplit[0] is 'external'... 
            anchor.target = "_blank";           // then set it's 'target' attribute to '_blank' 
            anchor.className = "external";      // then attach a CSS class to it  
            anchor.title = "Load in new window: "+ anchor.href;   
            // And give it a new title attribute to warn users a new window is launching 
/* Elegantly degrading window code */ 
            } else if (relSplit[0] == "popup") {      // else if relSplit[0] is 'popup'... 
            anchor.className = "popup";               // attach a CSS class to it  
            anchor.title = "Loads in a Popup Window"; // Give it a helpful title attribute 
            anchor.popupWidth = relSplit[1];          // set the popup's width 
            anchor.popupHeight = relSplit[2];          // set the popup's height 
            anchor.onclick = function() {popUp(this.href,'console',this.popupWidth,this.popupHeight);return false;}; 
            // plug all this information into our origainl window launch function (acpopup)  
            } 
        } 
      } 
}