function toggleSideBar(bShow) {
	if (document.getElementById) {
		if (bShow) {
			//change wrapper background
			document.getElementById("wrapper").style.backgroundColor = "#fff";
			document.getElementById("wrapper").style.backgroundImage = "url(../gfx/bg.png)";
			//show sidebar
			document.getElementById("sidebar").style.display = "block";
			//expand content
			document.getElementById("content_wrapper").style.width = "533px";
			//expand footer
			document.getElementById("footer").style.width = "533px";
			//move footer to the left
			document.getElementById("footer").style.marginLeft = "auto"
			//set the link
			document.getElementById("sideBarControl").innerHTML = "<a href=\"javascript:;\" onclick=\"toggleSideBar(false);\">zoekmachine verbergen &raquo;</a>";
		}
		else {
			//change wrapper background
			document.getElementById("wrapper").style.backgroundColor = "#fff";
			document.getElementById("wrapper").style.backgroundImage = "url(../gfx/bg_woningen.png)";
			document.getElementById("wrapper").style.backgroundRepeat = "repeat-y";
			//hide sidebar
			document.getElementById("sidebar").style.display = "none";
			//expand content
			document.getElementById("content_wrapper").style.width = "742px";
			//expand footer
			document.getElementById("footer").style.width = "742px";
			//move footer to the left
			document.getElementById("footer").style.marginLeft = "208px"
			//set the link
			document.getElementById("sideBarControl").innerHTML = "<a href=\"javascript:;\" onclick=\"toggleSideBar(true);\">zoekmachine weergeven &laquo;</a>";
		}
	}
}