function fnGetObject(sId) {
	if (document.all) 
		return document.all(sId)
	else if (document.getElementById) 
		return document.getElementById(sId)
	else if (document.layers) 
		return document.layers[sId]
	else
		return false;
}

function change_display() {
    for (var i=0; i < change_display.arguments.length; i++)
    {
        var elemID = change_display.arguments[i];
        var oDiv = fnGetObject(elemID);   
        oDiv.style.display = (oDiv.style.display=='none')?(''):('none');
    }
}


function gamePopup(hra, xx, yy)
    {
      window.open('/hra.php?id=' + hra + '&idx=' + xx + '&idy=' + yy, 'PetActiv.com', 'status = 1, height = 600, width = 600, resizable = 0');
    }     


function textCounter(field,cntfield,maxlimit) 
{
     if (field.value.length > maxlimit) // if too long...trim it!
     field.value = field.value.substring(0, maxlimit);
     // otherwise, update 'characters left' counter
     else
     cntfield.value = maxlimit - field.value.length;
}






function getSelectedText(elementId) {
    var elt = document.getElementById(elementId);

    if (elt.selectedIndex == -1)
        return null;

    return elt.options[elt.selectedIndex].text;
}