/*
	Spawn a popup. returns false to cancel the click.
	Usage:
	DEFAULT
		<a href="wacky.html"
		   onclick="return a_popup(this)">
			Foo
		</a>
	Set width/height
		<a href="wacky.html"
		   onclick="return a_popup(this, 200, 300)">
			Foo
		</a>

	Custom style - not resizeable
		<a href="wacky.html"
		   onclick="return a_popup(this, 200, 300, 'titlebar,scrollbars=yes,resizable=no')">
			Foo
		</a>

	Custom style - and text
		<a href="wacky.html"
		   onclick="return a_popup(this, 200, 300, 'titlebar,scrollbars=yes,resizable=no', 'doh')">
			Foo
		</a>
*/
function a_popup() {
	var a_element=null;
	var a_width=null;
	var a_height=null;
	var a_windowStyle=null;
	var a_customText=null;

	switch (a_popup.arguments.length) {
		case 5:
			a_customText = a_popup.arguments[4];
		case 4:
			a_windowStyle = a_popup.arguments[3];
		case 3:
			a_height = a_popup.arguments[2];
		case 2:
			a_width = a_popup.arguments[1];
		case 1:
			a_element = a_popup.arguments[0];
		default:
	}

	var aTarget = a_element.target;

	if (aTarget==null || aTarget=="") {
		aTarget = "pop";
	}

	/* Because we can't do real design work - only kludge things up */
	if (a_element.href!=null && a_element.href.match(/\/(fs|dar|floor_selector)\.asp/)) {
		aTarget = "eieio";
	}

	if (a_windowStyle==null) {
		a_windowStyle = "titlebar,scrollbars=yes,resizable=yes";
	}

	if (a_width==null || a_width <=0) {
		a_width=400;
	}
	if (a_height==null || a_height <=0) {
		a_height=400;
	}

	a_windowStyle+= (",left="+((screen.availWidth - a_width) / 2));
	a_windowStyle+= (",width="+a_width);

	a_windowStyle+= (",top="+(((screen.availHeight - a_height) / 2 ) - 30));
	a_windowStyle+= (",height="+a_height);



 	var w;
	if (a_customText!=null) {
		w = window.open('', aTarget, a_windowStyle);
		try {
			w.document.close();
			w.document.open();
			w.document.writeln(a_customText);
			try {
				w.document.close();
			} catch(e){}
		} catch(e){}
	} else {
		w = window.open(a_element.href, aTarget, a_windowStyle);
	}
	w.focus();

	return false;
}