function colourDivs(){
el=document.getElementById("listview").getElementsByTagName("tr")
numOfDivs=el.length
for(i=0;i<numOfDivs;i++){
if((i+1)%2==0){
el[i].style.backgroundColor="#FFFFFF"
el[i].style.color="#333"
}else{
el[i].style.backgroundColor="#dedede"
el[i].style.color="#333"}}}
function addLoadEvent(func){
var oldonload=window.onload
if(typeof window.onload !='function'){
window.onload=func
}else{
window.onload=function(){
if(oldonload){
oldonload()}
func()}}}
addLoadEvent(function(){
colourDivs()
})