///////////////////////////////////////////////////////////////////////////////////////
/////////           Cap Gemini Ernst & Young Italia S.p.A.                        /////
/////////           Interface Design Lab                                          /////
/////////           Copyright: Cap Gemini Ernst & Young Italia S.p.A.             /////
/////////           Author: Luca Baroni                                           /////
///////////////////////////////////////////////////////////////////////////////////////

// Setting Variables
if (is.ns4) {
        var coll, styleObj;
        coll = "";
        styleObj = "";
} else if (is.ie4) {
        var coll, styleObj;
        coll = "all.";
        styleObj = ".style";
}
// Convert object name string or object reference into a valid object reference
function getObject(obj) {
        var theObj
                if (typeof obj == "string") { theObj = eval("document." + coll + obj + styleObj) } 
                else { theObj = obj }
        return theObj   
}

// Show and Hide the containers layers
function showHideAll(obj,isHidden) {
if (obj == "menuwhatis") {
                        document.menuwhatis.src = 'images/ey_menu_whatis_on.gif'
                        document.menunewbuild.src = 'images/ey_menu_newbuild_off.gif'
                        document.menucompanies.src = 'images/ey_menu_companies_off.gif'
                        document.menuproject.src = 'images/ey_menu_project_off.gif'
};
if (obj == "menuproject") {
                        document.menuwhatis.src = 'images/ey_menu_whatis_off.gif'
                        document.menunewbuild.src = 'images/ey_menu_newbuild_off.gif'
                        document.menucompanies.src = 'images/ey_menu_companies_off.gif'
                        document.menuproject.src = 'images/ey_menu_project_on.gif'
};

        if (is.ns4 || is.ie4) {
                var theObj = eval("document." + coll + obj + styleObj)
        } else  {
                var theObj = document.getElementById(obj)
        }
        HideAll(); // Hiding all containers
        // ----------- MANAGING THE TOP IMAGES --------------------
        if              (obj == "container0") {
                        document.menuwhatis.src = 'images/ey_menu_whatis_off.gif'
                        document.menunewbuild.src = 'images/ey_menu_newbuild_on.gif'
                        document.menucompanies.src = 'images/ey_menu_companies_off.gif'
                        document.menuproject.src = 'images/ey_menu_project_off.gif'
        }
        else if (obj == "container1") {
                        document.menuwhatis.src = 'images/ey_menu_whatis_off.gif'
                        document.menunewbuild.src = 'images/ey_menu_newbuild_off.gif'
                        document.menucompanies.src = 'images/ey_menu_companies_on.gif'
                        document.menuproject.src = 'images/ey_menu_project_off.gif'
        }
        // ----------- END MANAGING THE TOP IMAGES --------------------
        if (is.ns4 || is.ie4) {
                (isHidden)? theObj.visibility = "hidden" : theObj.visibility = "visible"
        } else {
                (isHidden)? theObj.style.visibility = "hidden" : theObj.style.visibility = "visible"
        }
        
}

// Hide all containers layers
function HideAll() {
        for (x=0; x<2; x++) {  // Numero di voci menu
                if (is.ns4 || is.ie4) {
                        var parentObj = eval("document." + coll + "container" + x + styleObj)
                        parentObj.visibility = 'hidden'
                } else {
                        var pObj = "container" + x
                        var parentObj = document.getElementById(pObj)
                        parentObj.style.visibility = 'hidden'
                }
        }
}