function prepareMainMenu() {
      document.getElementById("contSub").onmouseover = function () {
	                                               document.getElementById("submenu").style.display="block";
                                                   document.getElementById("submenu").style.overflow="visible";
	                                               document.getElementById("contSub").style.backgroundColor="#FFFFFF";
	                                               document.getElementById("contSub").style.color="#F98B15";
	                                               return false;
												   }
      document.getElementById("contSub").onmouseout = function () {
	                                                document.getElementById("submenu").style.display="none";
                                                    document.getElementById("submenu").style.overflow="hidden";
	                                                document.getElementById("contSub").style.backgroundColor="transparent";
	                                                document.getElementById("contSub").style.color="#FFFFFF"; return false;
												   }

	  itemsA=document.getElementById("submenu").childNodes.length;
	  nItem=document.getElementById("submenu").childNodes;
	  for( i=0 ; i<itemsA; i++ ){
	    if(nItem[i].nodeType==1) {
		nItem[i].firstChild.onmouseover = function () {
	                                               document.getElementById("submenu").style.display="block";
                                                   document.getElementById("submenu").style.overflow="visible";
	                                               document.getElementById("contSub").style.backgroundColor="#FFFFFF";
	                                               document.getElementById("contSub").style.color="#F98B15";
	                                               return false;
												   }	
		nItem[i].firstChild.onmouseout = function () {
	                                               document.getElementById("submenu").style.display="none";
                                                    document.getElementById("submenu").style.overflow="hidden";
	                                                document.getElementById("contSub").style.backgroundColor="transparent";
	                                                document.getElementById("contSub").style.color="#FFFFFF"; return false;
												   }	
					}							   
		 }							   
      
}
function abre(menu,item) {
     document.getElementById(menu).style.display="block";
     document.getElementById(menu).style.overflow="visible";
	 document.getElementById(item).style.backgroundColor="#FFFFFF";
	 document.getElementById(item).style.color="#F98B15";
     }
function cierra(menu,item) {
     document.getElementById(menu).style.display="none";
     document.getElementById(menu).style.overflow="hidden";
	 document.getElementById(item).style.backgroundColor="transparent";
	 document.getElementById(item).style.color="#FFFFFF";
     }

function ampliarinf(enl) {
    var ventana=window.open (enl,"ventana","height=640,width=600,top=65,left=200");
    ancho=600;
    alto=640;
    ventana.moveTo((screen.width-ancho)/2,(screen.height-alto)/2);
    ventana.focus();
  }

function switch_id(selectobj) 
{ 

    if (selectobj == "") 
    { 
        return; 
    } 

    ampliarinf(selectobj);
}  


  function abreventana(dref){
  window.open(dref,"nuevaventana");
}