var rand1 = 0;
	var useRand = 0;
	
	images = new Array;
	images[1] = new Image();
	images[1].src = "/images/index-pic_001.jpg";
	images[2] = new Image();
	images[2].src = "/images/index-pic_002.jpg";
	images[3] = new Image();
	images[3].src = "/images/index-pic_003.jpg";
	images[4] = new Image();
	images[4].src = "/images/index-pic_004.jpg";
	images[5] = new Image();
	images[5].src = "/images/index-pic_005.jpg";
	images[6] = new Image();
	images[6].src = "/images/index-pic_006.jpg";
	
	function swapPic()
	{
		var imgnum = images.length - 1;
		do
		{
			var randnum = Math.random();
			rand1 = Math.round((imgnum - 1) * randnum) + 1;
		}
		while (rand1 == useRand);
		useRand = rand1;
		document.randimg.src = images[useRand].src;
	}

	function setDivHeight()
	{
	    var sideheight = document.getElementById('sidebar-wrapper').offsetHeight;
	    var pageheight = document.getElementById('page').offsetHeight;
	    
	    if (sideheight > pageheight){
	        alert('setting content to: ' + sideheight);
	        document.getElementById('page').style.height = 800;
	       }
	       else
	       {
	        alert('setting sidebar-wrapper to: ' + pageheight);
	         document.getElementById('sidebar-wrapper').offsetHeight = pageheight + 37;
	       }
	}