function openWindow( url, width, height, scrollbars ) 
{
	toppos = 50;
	leftpos = 50;
		
	options = "location=0,menubar=0,resizable=0,width=" + width + ",height=" + height + ",scrollbars=" + scrollbars + ",screenX=" + toppos + ",screenY=" + leftpos + ",top=" + toppos + ",left=" + leftpos;
	win = window.open(url, "newwin", options);
	win.resizeTo(width+10,height+29);
	win.focus();
}

function checkItem( objItem ) 
{
	itemChecked = false;
	
	for (i = 0;i < objItem.length; i++ ) 
	{
    	if (objItem[i].checked) {
			itemChecked = true;
            break;
      	}
    }
	
	return itemChecked;
}