//  unobtrusive popupwindow script.
// USAGE: parses document for links with TARGET attributes, if it finds them, it looks for the string popup at the start of the target, then parses name/value pairs at the end of the string
// the syntax is like this <a href="whatev.html" target="popup-height|400-width|500-scrollbars-etc">text</a>

window.onload = function () {
		if(!window.opener) {
			var as,i,popfun
			var windowAttributes = new Array();
			var attList = new Array(); // holds name/value pairs for later
			as=document.getElementsByTagName('a');
			for (i=0;i<as.length;i++) {
				if(as[i].target) {
					// parse target for info on popup window
					if (as[i].target.substring(0,5) == 'popup') { // assume a syntax of popup-height|400-width|500-scrollbars-etc
						pairs = as[i].target.substring(5,(as[i].target.length)).split("-");
						for (ii=1;ii<pairs.length;ii++) {
							if (pairs[ii].split("|").length == 2) {
								attList[attList.length] = pairs[ii].split("|")[0] + '=' + pairs[ii].split("|")[1];
							} else {
								attList[attList.length] = pairs[ii];
							}
						}
						
						windowAttributes[as[i].href] = attList.join(",");
						attList.length = 0;
						popfun=function() { 
								window.open(this.href,'',windowAttributes[this.href]);return false; 
							};
						as[i].onclick=popfun;
						as[i].onkeypress=popfun;
					}
				}
			}
		}
	}