function ShowWin(url,x,y,name,isscrollbars) {
	cx=screen.width / 2 - (x / 2);
	cy=(screen.height/2-(y/2));
    
    isscrollbars=(isscrollbars=="no")?"no":"yes";
	window.open(url,name,"toolbar=no,status=no,directories=no,menubar=no,resizable=yes,width="+x+",height="+y+",scrollbars="+isscrollbars+",top="+cy+",left="+cx);
}

function showQuestions() {					
	var show = document.getElementById('pollShow');										
	show.style.visibility = 'hidden';
	show.style.height = '1px';
	show.style.overflowY = 'hidden';
	
	var quest = document.getElementById('pollQuestions');										
	quest.style.height = '';
	quest.style.overflowY = '';									
	quest.style.visibility = 'visible';										
}


function hlMenuItem(id) {
	document.getElementById('menuItem'+id).className = 'highlight';		
}

function unhlMenuItem(id) {
	var table = document.getElementById('menuItem'+id);				
			
	if (table.getAttribute('active')==1)
		table.className = 'active';
	else 
		table.className = 'normal';
}