// JavaScript Document

var netscape=null, firefox=null, opera=null, explorer=null;
detectarNavegador();
//var altoPantalla=0, anchoPantalla=0;

/*
*
*/
function detectarNavegador(){
	
	netscape = navigator.userAgent.toLowerCase().indexOf('netscape')>-1;	
	explorer = navigator.userAgent.toLowerCase().indexOf('msie')>-1;	
	firefox = navigator.userAgent.toLowerCase().indexOf('firefox')>-1;	
	opera = navigator.userAgent.toLowerCase().indexOf('opera')>-1;
	
	if(explorer && opera)
		explorer = false;
	if(!firefox && !opera && !netscape)
		explorer=true;
		
}//function detectarNavegador
/*********************************************************************************************************/

/*
  function detectBrowser() {
    explorer = document.all != undefined;
    opera = window.opera != undefined;
   
    if (opera) 
		return "opera";
    if (ie) 
		return "ie";
    if ((window)&&(window.netscape)&&(window.netscape.security)) {
      if (window.XML) {
        return "firefox15";
      }
      else return "firefox10";
    }
	
  }
  
*/