window.onresize = fitborder;

function fitborder() {
    //document.getElementById('ls').style.height=document.body.clientHeight+'px';
    //document.getElementById('rs').style.height=document.body.clientHeight+'px';
    document.getElementById('ls').style.height=document.getElementById('ContentTable').offsetHeight+'px';
    document.getElementById('rs').style.height=document.getElementById('ContentTable').offsetHeight+'px';
}

document.getElementById('ls').style.height=document.getElementById('ContentTable').offsetHeight+'px';
document.getElementById('rs').style.height=document.getElementById('ContentTable').offsetHeight+'px';

if (document.body.filters){
   document.getElementById('ls').runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='pics/shadow-left.png', sizingMethod='scale')";
   document.getElementById('rs').runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='pics/shadow-right.png', sizingMethod='scale')";
}else{
   document.getElementById('ls').src='pics/shadow-left.png';
   document.getElementById('rs').src='pics/shadow-right.png';
}