function scrollPos()
{
	 var scrOfX = 0, scrOfY = 0;
    if( typeof( window.pageYOffset ) == 'number' ) 
    {
        //Netscape compliant
        scrOfY = window.pageYOffset;
        scrOfX = window.pageXOffset;
    }
    else if( document.body && ( document.body.scrollLeft || document.body.scrollTop ) ) 
    {
        //DOM compliant
        scrOfY = document.body.scrollTop;
        scrOfX = document.body.scrollLeft;
    }
    else if( document.documentElement && ( document.documentElement.scrollLeft || document.documentElement.scrollTop ) ) 
    {
        //IE6 standards compliant mode
        scrOfY = document.documentElement.scrollTop;
        scrOfX = document.documentElement.scrollLeft;
    }
 
   return scrOfY;

}

function pageHeight()
{
    var myWidth = 0, myHeight = 0;
    if( typeof( window.innerWidth ) == 'number' ) 
    {
        //Non-IE
        myWidth = window.innerWidth;
        myHeight = window.innerHeight;
    } 
    else if( document.documentElement && document.documentElement.clientWidth || document.documentElement.clientHeight ) 
    {
        //IE 6+ in 'standards compliant mode'
        myWidth = document.documentElement.clientWidth;
        myHeight = document.documentElement.clientHeight;
    } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) )
    {
        //IE 4 compatible
        myWidth = document.body.clientWidth;
        myHeight = document.body.clientHeight;
    }
    
    return myHeight;
}