function update2frames(url1,url2) {
    parent.bigpic_fr.location.href = url1;
    parent.right_fr.location.href = url2;
}

function update3frames(url1,url2,url3) {
    parent.left_fr.location.href = url1;
    parent.bigpic_fr.location.href = url2;
    parent.right_fr.location.href = url3;
}




function update4framestesting(url1,url2,url3,url4)
{
 if (url1.length > 0) window.open(url1, right_fr);
 if (url2.length > 0) window.open(url2, bigpic_fr);
 if (url3.length > 0) window.open(url3, topmid_fr);
 if (url4.length > 0) window.open(url4, left_fr);
}

function load3frames(url1,url2,url3) {
    parent.right_fr.location.href = url1;
    parent.bigpic_fr.location.href = url2;
    parent.topmid_fr.location.href = url3;
}

function load4frames(url1,url2,url3,url4) {
    parent.right_fr.location.href = url1;
    parent.bigpic_fr.location.href = url2;
    parent.topmid_fr.location.href = url3;
    parent.left_fr.location.href = url4;
}