function IEFixedElementPos()
{
// IE 7 en mode standard
if (window.ActiveXObject && window.XMLHttpRequest && window.external && document.compatMode=="CSS1Compat") 
{
return ("fixed");
}
return ("absolute");
}

function IEFixedElementTop(defaultTop)
{
// IE 7 en mode standard
if (window.ActiveXObject && window.XMLHttpRequest && window.external && document.compatMode=="CSS1Compat") 
{
return (defaultTop.toString() + "px;")
}
return ((document.body.scrollTop+defaultTop) + "px");
}

function IEFixedElementLeft(defaultLeft) 
{
// IE 7 en mode standard
if (window.ActiveXObject && window.XMLHttpRequest && window.external && document.compatMode=="CSS1Compat") 
{
return (defaultLeft.toString() + "px;")
}
return ((document.body.scrollLeft+defaultLeft) + "px");
}

function IE100Width() 
{
//IE 7 en mode standard
if (window.ActiveXObject && window.XMLHttpRequest && window.external && document.compatMode=="CSS1Compat")
{
return "100%";
}
return (document.body.offsetWidth-21) + "px";
}

function IE100Height() 
{
//IE 7 en mode standard
if (window.ActiveXObject && window.XMLHttpRequest && window.external && document.compatMode=="CSS1Compat")
{
return "100%";
}
return (document.body.offsetHeight-21) + "px";
}