//var initialtab=['sc1','tab1'];

var previoustab="";
var prevobj;

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

function highlighttab(aobject){
	if (typeof prevobj!="undefined")
		prevobj.className="normal";
	aobject.className="selected";
}

function tab_onload(){
	expandcontent(initialtab[0],document.getElementById(initialtab[1]));
}