var newwindow;
function popwindow(url)
{
	newwindow=window.open(url,'name','height=445,width=390');
	if (window.focus) {newwindow.focus()}
}

var example;
function example(url)
{
	example=window.open(url,'name','height=170,width=390');
	if (window.focus) {example.focus()}
}