function topmenu(imgId,menuId)
{
//Set all to Blured
	document.getElementById('col1').className='blured';
	document.getElementById('col2').className='blured';
	document.getElementById('col3').className='blured';
	document.getElementById('col4').className='blured';
	
	//Highlited
	if(imgId)
	{
	//document.getElementById(imgId).style.backgroundImage="url()";
	document.getElementById(imgId).className='highlight';
	}
    ajaxpage("special_products.php?menuId="+menuId,'special');
}