function tableruler() {
	var tables=document.getElementsByTagName('table');
	for (var i=0;i<tables.length;i++) {
		if(tables[i].className=='data') {
			var trs=tables[i].getElementsByTagName('tr');
			for(var j=0;j<trs.length;j++) {
				trs[j].style.backgroundColor = '#e8e8e8';
				trs[j].onmouseover=function(){this.style.backgroundColor='#e6fac0';this.style.color='#848484';return false}
				trs[j].onmouseout=function(){this.style.backgroundColor='#e8e8e8';this.style.color='#848484';return false}
			}
		}
	}
}