var g_nLastClientWidth = 0;
var g_nLastClientHeight = 0;

function setContentSize()
{
    if ((g_nLastClientWidth == document.body.clientWidth) && (g_nLastClientHeight == document.body.clientHeight))
    {
        return;
    }

    g_nLastClientWidth = document.body.clientWidth;
    g_nLastClientHeight = document.body.clientHeight;
}