var initialtab = [1, "sc1"];
var previoustab = "";
var intv;

function expandcontent(cid, aobject){
    stopTimer();
    highlighttab(aobject);
    if (previoustab != "") document.getElementById(previoustab).style.display = "none";
	document.getElementById(cid).style.display = "block";
	previoustab = cid;
}

function highlighttab(aobject){
    stopTimer();
    if (typeof tabobjlinks == "undefined") collectddimagetabs();
    for (i = 0; i < tabobjlinks.length; i++){
        tabobjlinks[i].className = "";
	}
    aobject.className = "current";
}

function collectddimagetabs(){
    var tabobj = document.getElementById("ddimagetabs");
    tabobjlinks = tabobj.getElementsByTagName("A");
}

function do_onload(){
    collectddimagetabs();
    expandcontent(initialtab[1], tabobjlinks[initialtab[0] - 1])
}

function startTimer(){
    intv = setTimeout("expandcontent(initialtab[1], tabobjlinks[initialtab[0]-1])", 2000);
}

function stopTimer(){
    clearTimeout(intv);
}


var message="";
function clickIE() {if (document.all) {(message);return false;}}
function clickNS(e) {if (document.layers||(document.getElementById&&!document.all)) {
if (e.which==2||e.which==3) {(message);return false;}}}
if (document.layers){document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}
else{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}
document.oncontextmenu=new Function("return false")