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";		
		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";
		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();");
	}
}