function main()
{
   	var children = document.getElementsByTagName('td');
	var l = children.length;
   	var ri = 0;
   	for(i=0;i<l;i++)
   	{
		if (children[i].className=='ac')
		{
    		children[i].onmouseover=function (){this.className='ach';};
    		children[i].onmouseout=function (){this.className='ac';};
//	    	children[i].onclick=new Function('document.location="' + results[ri][3] + '";return false;');
    		ri++;
		}
    }
}