//deel 1 : header :
var el="header";
var bgimg=new Array("graph/headers/header-01.jpg", "graph/headers/header-02.jpg", "graph/headers/header-03.jpg","graph/headers/header-04.jpg", "graph/headers/header-05.jpg", "graph/headers/header-06.jpg");
var random=Math.round((bgimg.length-1)*Math.random());
var cssStr="#"+el+" { background: url("+bgimg[random]+") no-repeat top left } ";
var style=document.createElement("style");
style.setAttribute("type","text/css");
if(style.styleSheet){style.styleSheet.cssText=cssStr;
}else{
	var cssText=document.createTextNode(cssStr);
	style.appendChild(cssText);
	}
	document.getElementsByTagName("head")[0].appendChild(style);
	
//deel 2 : paragraphs :
var el="paragraphs";
var bgimg=new Array("graph/paragraphs/para-img-01.gif", "graph/paragraphs/para-img-02.gif");
var random=Math.round((bgimg.length-1)*Math.random());
var cssStr="."+el+" { background: #ffcc00 url("+bgimg[random]+") no-repeat bottom right } ";
var style=document.createElement("style");
style.setAttribute("type","text/css");
if(style.styleSheet){
	style.styleSheet.cssText=cssStr;
	}else{
		var cssText=document.createTextNode(cssStr);style.appendChild(cssText);
		}
		document.getElementsByTagName("head")[0].appendChild(style);