//especial code to switch the body background

function collectDIVs()
  {
	var pbackground="";
	var correcthref="";
	var parsestring="";

    var divs = document.getElementsByTagName("div");
    for(var i=0; i < divs.length; i++)
    {
    if(divs[i].className=='col6'){
    var imgs=divs[i].getElementsByTagName('img');
     for(var j=0;j<imgs.length;j++){
//	if (imgs[j].parentNode.class=="col6"){
	pbackground = document.getElementById('contentpage');
	correcthref = imgs[j].src;
	parsestring = correcthref.replace(/.jpg$/, "_bg.jpg");
	//alert (parsestring);
	pbackground.style.backgroundImage = "url("+parsestring+")";
//	}
    }

    }
  }

}