function ubb_uitleg() {
	
	// popup resolution
	var popWidth = 700;
	var popHeight = 700;
	
	// get screenresolution of user
	var scrWidth = screen.width;
	var scrHeight = screen.height;
	
	// make sure the popup always pops up
	var name = new Date().getTime(); 
	
	// options 
	options = "width="+popWidth+",height="+popHeight+",left="+(scrWidth-popWidth)/2+",top="+(scrHeight-popHeight)/2+",resizable=yes";
	
	// do it
	newwindow=window.open('../ubb/index.html',name,options);
	if (window.focus) {newwindow.focus()}
	return false;	
	
}

function bestanden() {	
	
	// popup resolution
	var popWidth = 650;
	var popHeight = 650;
	
	// get screenresolution of user
	var scrWidth = screen.width;
	var scrHeight = screen.height;
	
	// make sure the popup always pops up
	var name = new Date().getTime(); 
	
	// options 
	options = "width="+popWidth+",height="+popHeight+",left="+(scrWidth-popWidth)/2+",top="+(scrHeight-popHeight)/2+",resizable=yes,scrollbars=yes";
	
	// do it
	newwindow=window.open('../bestanden/popup.php',name,options);
	if (window.focus) {newwindow.focus()}
	return false;	
	
}

function areyousure(str) {
	
	return confirm(str+' verwijderen?') == true;
	
}


function goToURL() { 
  
        window.location = "../user/aanmelden.php"; 

}