function M_O() {
	document.getElementById("myLayer").innerHTML = "<center><b>Doppio Click per<br>selezionare tutto!</b></center>";
	document.getElementById("myLayer").style.visibility = "visible";
}

function M_Out(){
	document.getElementById("myLayer").style.visibility = "hidden";
}

function M_D(id){
	Utils.Selection.clear(); Utils.Selection.add( Utils.Ranges.selectNode(Utils.DOM.getElementWithId(id) ));
}

// JavaScript Document
var Utils = {
   NOT_SUPPORTED : {},

   DOM : {
     getElementWithId : function() {
       var func=function(){return Utils.NOT_SUPPORTED;}
       if(document.getElementById) {
         func=function(id){
           return document.getElementById(id);
         }
       } else if(document.all) {
         func=function(id) {
           return document.all[id];
         }
       }
       return (this.getElementWithId=func)();
     }
   },

   Ranges : {
     create : function() {
       var func=function(){return Utils.NOT_SUPPORTED};
       if(document.body && document.body.createTextRange) {
         func=function(){return document.body.createTextRange();}
       } else if(document.createRange) {
         func=function(){return document.createRange();}
       }
       return (this.create=func)();
     },
     selectNode : function(node, originalRng) {
       var func=function(){return Utils.NOT_SUPPORTED;};
       var rng=this.create(), method="";
       if(rng.moveToElementText) method="moveToElementText";
       else if(rng.selectNode) method="selectNode";
       if(method)
         func=function(node, rng){
           rng=rng||Utils.Ranges.create();
           rng[method](node);
           return rng;
         }
       return rng=null,(this.selectNode=func)(node, originalRng);
     }
   },

   Selection : {
     clear:function() {
       var func=function(){return Utils.NOT_SUPPORTED};
       if(typeof document.selection!="undefined") {
         func=function(){
           if(document.selection && document.selection.empty) {
             return (Utils.Selection.clear=function(){
               if(document.selection)
                 document.selection.empty();
             })();
           }
         }
       } else if(window.getSelection) {
         var sel=window.getSelection();
         if(sel.removeAllRanges) {
           func=function(){
             window.getSelection().removeAllRanges();
           }
         }
         sel=null;
       }
       return (this.clear=func)();
     },
     add : function(originalRng) {
       var func=function(){return Utils.NOT_SUPPORTED};
       var rng=Utils.Ranges.create();
       if(rng.select) {
         func=function(rng){rng.select();}
       } else if(window.getSelection) {
         var sel=window.getSelection();
         if(sel.addRange) {
           func=function(rng){window.getSelection().addRange(rng);}
         }
         sel=null;
       }
       return (this.add=func)(originalRng);
     }
   }

};

(function() {
   var rng=Utils.Ranges.create();
   /* var ele=Utils.DOM.getElementWithId("trainOfThought");
   if(rng!=Utils.NOT_SUPPORTED && ele!=Utils.NOT_SUPPORTED) {
     document.write(
       "<form>"+
       "<input type='button' value='Select!' onclick='"+
         "Utils.Selection.clear();"+
         "Utils.Selection.add("+
           "Utils.Ranges.selectNode("+
             "Utils.DOM.getElementWithId(\"trainOfThought\")"+
           ")"+
         ")"+
       "'>"+
       "<\/form>"
     );
   }*/
})();