function popUp(URL,id,topicSelection,subtopicSelection) {
	basefolder=topicSelection;	
	topicMyDoc=topicSelection;
	subtopicMyDoc=subtopicSelection;

	if (id == "videoWindow") {	
		if (basefolder == "brain") {		
			if (URL == siteURL +"330_holder1.html") { w = "360"; h = "480"; }		
			else if (URL == siteURL +"650_holder1.html") { w = "680"; h = "720"; }		
			else { w = "360"; h = "480"; }	
		}	
		else {		
			w = "330";
			if (basefolder == "SLH") { h = "465"; } 		
			else { h = "440"; }	
		}
		scrol = "0";		
		L = "360"; T = "10";
		URL = URL + "?basefolder=" + topicSelection + "&topicMyDoc=" + topicSelection + "&subtopicMyDoc=" + subtopicSelection;
		eval("page" + id + " = window.open(URL, '" + id + basefolder + "', 'toolbar=0,scrollbars='+scrol+',location=0,status=1,menubar=0,resizable=0,width='+w+',height='+h+',screenX='+L+',screenY='+T+',left = '+L+',top = '+T+' ');pagevideoWindow.focus();");
	}
	else if (id == "clientWindow") {		
		w = "340"; h = "450";		
		scrol = "1";
		L = "10"; T = "10";
		URL = URL + "?basefolder=" + topicSelection + "&topicMyDoc=" + topicSelection + "&subtopicMyDoc=" + subtopicSelection;
		eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars='+scrol+',location=0,status=1,menubar=0,resizable=0,width='+w+',height='+h+',screenX='+L+',screenY='+T+',left = '+L+',top = '+T+' ');pageclientWindow.focus();");
	}
	else {
		w = "330";
		if (basefolder == "SLH") { h = "465"; } else { h = "440"; }			
		scrol = "0";
		L = "360"; T = "10";
		eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars='+scrol+',location=0,status=1,menubar=0,resizable=0,width='+w+',height='+h+',screenX='+L+',screenY='+T+',left = '+L+',top = '+T+' ');pageBMCWindow.focus();");
	}
}