function Highlight(){

var tbody = document.getElementById('table').lastChild;

trs = tbody.getElementsByTagName('tr');

tds=document.getElementsByTagName('td');

for(var i =1;i<trs.length;i++){

trs[i].onmouseover = function(){

this.style.backgroundColor ="#f2f2f2";

// for(var j=0;j<this.childNodes.length;j++){

//     this.childNodes[j].childNodes.style.backgroundColor="#f2f2f2";

// }

} 

trs[i].onmouseout = function(){

this.style.backgroundColor ="#fff";

} 

}  

}