//
// each browser gets its own object, with the same interfaces but differing implementations

// create IE DHTML object
function ie_object(obj) {
   this.css = obj;
   this.name = obj.name;
   this.objHide = domHide;
   this.objShow = domShow;
   this.objChangeFontColor = domChangeFontColor;
   this.objChangeBackgroundColor = domChangeBackgroundColor;
}

// create DOM object
function dom_object(obj) {
   this.css = obj;
   this.name = obj.name;
   this.objHide = domHide;
   this.objShow = domShow;
   this.objChangeFontColor = domChangeFontColor;
   this.objChangeBackgroundColor = domChangeBackgroundColor;
}

// IE/DOM hide element
function domHide() {
   this.css.style.visibility = "hidden";
}

// IE/DOM show element
function domShow() {
   this.css.style.visibility = "visible";
}

// IE/DOM change font
function domChangeFontColor(clr) {
   this.css.style.color=clr;
}

// IE/DOM change font
function domChangeBackgroundColor(clr) {
   this.css.style.backgroundColor = clr;
}



//
// The Navigator specific scripting object methods
//

// Navigator object
function ns_object(obj) {
   this.css = obj;
   this.name = obj.name;
   this.objHide = nsHide;
   this.objShow = nsShow;
   this.objChangeFontColor = nsChangeFontColor;	
   this.objChangeBackgroundColor = nsChangeBackgroundColor;
}


// hide element
function nsHide() {
	this.css.visibility = "hidden";
}

// show element
function nsShow() {
	this.css.visibility = "inherit";
}

// change color
function nsChangeFontColor(clr) {
}

// change background
function nsChangeBackgroundColor(clr) {
   this.css.bgColor = clr;       
}


// Create the objects
//
//****************************************************************************************


// create IE objects
function create_ie_objects() {
   theelements = document.all.tags("DIV");
   theobjs = new Array();
   for (i = 0; i < theelements.length; i++)
      theobjs[theelements[i].id] = new ie_object(theelements[i]);
}

// create Navigator objects
function create_ns_objects() {
   theobjs = new Array();
   for (i = 0; i < document.layers.length; i++)
   	 theobjs[document.layers[i].name] = new ns_object(document.layers[i]);
   
}

// create DOM objects
function create_dom_objects() {
   theelements = document.getElementsByTagName("DIV");
   theobjs = new Array();
  for (i = 0; i < theelements.length; i++) {
      var obj = theelements[i];
      theobjs[obj.id] = new dom_object(obj);
      }
}
 
// call correct object loading method    
function create_objects() {

    // if 5.0 browser
    if (navigator.appVersion.indexOf("5.0") != -1)
	create_dom_objects();
    else 
    	if (navigator.appName == "Microsoft Internet Explorer")
	   create_ie_objects();
        else
  	   create_ns_objects();
}