function setwidth() {
var width = window.innerWidth != null? window.innerWidth :
document.documentElement && document.documentElement.clientWidth ?
document.documentElement.clientWidth : document.body != null ?
document.body.clientWidth : null;
if(navigator.appName == 'Microsoft Internet Explorer')
{
document.getElementById('pagecontent').style.width = width-440+'px';
}
else
{
document.getElementById('pagecontent').style.width = width-456+'px';
}
return true;
}

window.onresize = function()
{
setwidth();
}