function byt(obj,textColor,backColor){
        obj.style.color = textColor;
        obj.style.backgroundColor = backColor;
        obj.style.cursor = 'hand';
    }


    function changeClass(id, newClass) {
        identity = new getObj(id);
        identity.obj.className = newClass;
    }

    function getObj(id)
    {
      if (document.getElementById)
      {
      	this.obj = document.getElementById(id);
    	this.style = document.getElementById(id).style;
      }
      else if (document.all)
      {
    	this.obj = document.all[id];
    	this.style = document.all[id].style;
      }
      else if (document.layers)
      {
       	this.obj = document.layers[id];
       	this.style = document.layers[id];
      }
    }

    function executePhpPage(url,divId) {
        loadFragmentInToElement(url, divId);
    }