function news(url) {
    window.open(url,'_blank','directories=0,height=300,width=300,resizable=0,scrollbars=0,toolbar=0,left=480,top=225','true');}

function extranet(url) {
    window.open(url,'_blank','directories=0,height=650,width=1000,resizable=0,scrollbars=1,toolbar=1,left=50,top=50','true');}

function contacts(url) {
    window.open(url,'_blank','directories=0,height=600,width=450,resizable=0,scrollbars=1,toolbar=0,left=480,top=225','true');}