function apriurl(url) {
    x=screen.width;
    y=screen.height;
    location=url+"?width="+x+"&height="+y;
}

function popup(pdf,wdth,hght){
    mywindow = window.open(pdf,'name',"height="+hght+",width="+wdth);
    return false;
}

function goHist(a) {
    history.go(a);
}

function jumpScroll() {
    x=(1680-screen.width)/2;
    window.scroll(x,0);
}

function formtopopup() {
    window.open('','popup','width=300, height=200');
    document.getElementById('email_form').submit();
}