function preloadImages() {
  var d=document; if(d.images){ if(!d.p) d.p=new Array();
    var i,j=d.p.length,a=preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.p[j]=new Image; d.p[j++].src=a[i];}}
}
function setSel(ev) {
    sel = this.id.substr(6);
    for (var i = 1; i <= 3; i++) {
        var el = document.getElementById('srcdoc'+i)
        if (el) {
            el.firstChild.src='srcdocs/'+coy+'-'+i+(i==sel?'h':'')+'.png';
        }
    }
    return false;
}
function openSel(ev) {
    location='srcdocs/'+coy+'-'+sel+'.pdf';
    return false;
}
function showSD(ev) {
    dialog.style.display="block";
    return false;
}
function hideSD(ev) {
    dialog.style.display="none";
    return false;
}
if (document.getElementById) {
    dialog = document.getElementById('coysrcs');
    dialog.style.display="none";
    document.getElementById('srcbut').onclick = showSD;
    document.getElementById('exitbut').onclick = hideSD;
    document.getElementById('openbut').setAttribute('href', '#');
    document.getElementById('openbut').onclick = openSel;

    document.getElementById('jsinstr').innerHTML='Please select a company and <strong>click the "Source Document" button</strong> on the screen below.';

    for (var i = 1; i <= 3; i++) {
        var el = document.getElementById('srcdoc'+i)
        if (el) {
            el.setAttribute('href', '#');
            el.onclick = setSel;
            preloadImages('srcdocs'+coy+'-'+i+'.png', 'srcdocs/'+coy+'-'+i+'h.png');
        }
    }
}