function pop_prexa(url) {
	newwindow=window.open(url,'name','toolbar=1,location=1,scrollbars=1,width=760,height=700,resizable=1,left=50,top=50');
	if (window.focus) {newwindow.focus()}
	return false;
}
function pop_trident(url) {
	newwindow=window.open(url,'name','toolbar=1,location=1,scrollbars=1,width=760,height=700,resizable=1,left=50,top=50');
	if (window.focus) {newwindow.focus()}
	return false;
}

function popupJava()
    {               
       window.open("http://www.java.com/en/index.jsp");
    }