function popup(url, width, height, scroll, status){
	if(!width){
		width = 400;
	}
	
	if(!height){
		height = 300;
	}
	
	if(!scroll){
		scroll = 'no';
	}
	else {
		scroll = 'yes';
	}	
	
	if(!status){
		status = 'no';
	}
	else {
		status = 'yes';
	}
	
	attribs = 'scrollbars=' + scroll;
	attribs += ', status=' + status;
	
	//alert(attribs);
	myWin = window.open(url,'popup','width=' + width + ',height=' + height + ', ' + attribs);
	
	return false;
}