var     ie = document.all
var     dom = document.getElementById
var     ns4 = document.layers

/* hides <select> and <applet> objects (for IE only) */
function hideElement( elmID, overDiv )
{
        if (ie)
        {
        for( i = 0; i < document.all.tags( elmID ).length; i++ )
        {
                        obj = document.all.tags( elmID )[i];
                        if( !obj || !obj.offsetParent )
                        {
                                continue;
                        }

                        // Find the element's offsetTop and offsetLeft relative to the BODY tag.
                        objLeft   = obj.offsetLeft;
                        objTop    = obj.offsetTop;
                        objParent = obj.offsetParent;

                        while( objParent.tagName.toUpperCase() != "BODY" )
                        {
                                objLeft  += objParent.offsetLeft;
                                objTop   += objParent.offsetTop;
                                objParent = objParent.offsetParent;
                        }

                        objHeight = obj.offsetHeight;
                        objWidth = obj.offsetWidth;

                        if(( overDiv.offsetLeft + overDiv.offsetWidth ) <= objLeft );
                        else if(( overDiv.offsetTop + overDiv.offsetHeight ) <= objTop );
                        else if( overDiv.offsetTop >= ( objTop + objHeight ));
                        else if( overDiv.offsetLeft >= ( objLeft + objWidth ));
                        else
                        {
                                obj.style.visibility = "hidden";
                        }
                }
        }
}

/*
 * unhides <select> and <applet> objects (for IE only)
 */
function showElement( elmID )
{
        if (ie)
        {
                for( i = 0; i < document.all.tags( elmID ).length; i++ )
                {
                        obj = document.all.tags( elmID )[i];

                        if( !obj || !obj.offsetParent )
                        {
                                continue;
                        }

                        obj.style.visibility = "";
                }
        }
}