//Anula Menú Contextual
var message="";
function clickIE()  {if (document.all) {(message);return false;}}
function clickNS(e) {if (document.layers||(document.getElementById&&!document.all)) {
if  (e.which==2||e.which==3) {(message);return false;}}}
if  (document.layers) 
    {document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}
else{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}
     document.oncontextmenu=new Function("return false")


//Deshabilitar posibilidad de pintar (seleccionar)
function disableselect(e)
{
   return false
}
function reEnable()
{
   return true
}
//if IE4+
document.onselectstart=new Function ("return false")
//if NS6
if (window.sidebar)
{
   document.onmousedown=disableselect
   document.onclick=reEnable
}