function setColHeigth() 
{
    var refHeight=638;
    if (document.getElementById) 
    {
        var windowHeight=getWindowHeight();
        if (windowHeight>0) 
        {
            document.getElementById('h_colsx').style.height=(windowHeight < refHeight)?refHeight+'px':windowHeight+'px';
        }    
    }
}

function getWindowHeight() 
{
var windowHeight=0;
if (typeof(window.innerHeight)=='number') {
windowHeight=window.innerHeight;
}
else {
if (document.documentElement&&
document.documentElement.clientHeight) {
windowHeight=
document.documentElement.clientHeight;
}
else {
if (document.body&&document.body.clientHeight) {
windowHeight=document.body.clientHeight;
}
}
}
return windowHeight;
}