function random_img(url){
  
  var img=Math.round(Math.random()*4)
	 document.write('<div id="bg-tiles">'+
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:0;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-40;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-80;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-120;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-160;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-200;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-240;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-280;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-320;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-360;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-400;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-440;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:0;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-40;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-80;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-120;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-160;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-200;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-240;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-280;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-320;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-360;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-400;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-440;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:0;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-40;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-80;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-120;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-160;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-200;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-240;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-280;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-320;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-360;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-400;top:0;" /></div>' + 
'<div class="imageblock"><img src="'+ url+img + '.jpg" style="position:absolute;left:-440;top:0;" /></div>' + 
'</div>');




	document.write('<style type="text/css">#navigation a{color:#FFFFFF;}#navigation{color:#FFFFFF;}</style>');	

}
