function launchwin(winUrl,winName,winHeight,winWidth,winLocation,scroll) {
 	var winFeatures = "height="+winHeight+",width="+winWidth;
 	if (scroll == "yes") { winFeatures += ",scrollbars"; }
 	var newwin = window.open(winUrl,winName,winFeatures);
 	if (winLocation == "center") {
 		var horiz_position = parseInt(window.screen.availWidth / 2) - (winWidth / 2);
		newwin.moveTo(horiz_position,0);
	} else if (winLocation == "left") {
		newwin.moveTo(0,0);
	}
 }