function randomnum(min,max) { var diff=max-min; var ru=Math.random()*diff; var rn=Math.floor(ru); return min+rn; }
function chtbg(a) { $("#header").css("background-image","url(css/images/bgs/"+a+".jpg)"); }
function chtbgr(min,max) { var randimg=randomnum(min,max)+".jpg"; $("#header").css("background-image","url(css/images/bgs/"+randimg+")"); }

function prepareForm(fobj,overwriteurl) {
	fobj.action=overwriteurl; 
	alert(fobj.action);
	return submitform(fobj);

}

function loadin(divn,uristr){ $("#"+divn).load(uristr); }