function scooby_doo(url) {
	var pop_width = 550;
	var pop_height = 350;
		
	if(navigator.appVersion.indexOf("MSIE") && navigator.platform.indexOf("Mac") != -1){
		pop_width= 534;
		pop_height = 335;
	} else if(navigator.appVersion.indexOf("Netscape") && navigator.platform.indexOf("Mac") != -1){
		pop_width= 560;
		pop_height = 360;
	}
	
	var padwidth = (window.screen.width/2) - (pop_width/2); 
	var padheight = (window.screen.height/2) - (pop_height/2); 
	
	var winDOH = window.open(url, "scooby", "width="+pop_width+",height="+pop_height+",left=" + padwidth + 
",top=" + padheight + ",screenX=" + padwidth + ",screenY=" + padheight);
	winDOH.focus();

}