function ChangeBackground(image, id)
{
	var element			=	document.getElementById(id);
	element.style.backgroundImage	=	"url("+image+")";
}

function HideDiv(d)
{
	if(d.length < 1)
	{
		return;
	}
	document.getElementById(d).style.display = "none";
}

function ShowDiv(d, id)
{
	if(d.length < 1)
	{
	return;
	}
	document.getElementById(d).style.display = "block";
}

function NewWindow(mypage,myname,w,h,pos,infocus)
{
	if(pos=="random"){
		myleft=(screen.width)?Math.floor(Math.random()*(screen.width-w)):100;
		mytop=(screen.height)?Math.floor(Math.random()*((screen.height-h)-75)):100;
	}
	if(pos=="center"){
		myleft=(screen.width)?(screen.width-w)/2:100;
		mytop=(screen.height)?(screen.height-h)/2:100;
	}
	else if((pos!='center' && pos!="random") || pos==null){
		myleft=0;
		mytop=20;
	}
	settings="width=" + w + ",height=" + h + ",top=" + mytop + ",left=" + myleft + ",scrollbars=no,location=no,directories=no,status=no,menubar=no,toolbar=no,resizable=no";win=window.open(mypage,myname,settings);
	win.focus();
}