var idMenu="";

function activar(ident,opMenu){

			 if(ident=="") return;
			 
		 	 if(idMenu!=ident && idMenu!=""){
			 	if(sp.DOM)
					document.getElementById(idMenu).style.display='none';
				else		
		        	eval(layerRef+'["'+idMenu+'"]'+styleSwitch+'.display="none"');
				idMenu="";
			}

			if(sp.DOM){
					   if(document.getElementById(ident).style.display=="none"){
					      document.getElementById(ident).style.display="block" ;
						  idMenu=ident;
						}  
						else  			
					      document.getElementById(ident).style.display="none";
 						if(opMenu!="#")  
					  	  document.getElementById(opMenu).style.background="#003D6C";
			}
			else{	
					 if(eval(layerRef+'["'+ident+'"]'+styleSwitch+'.display=="none"')){
					 	eval(layerRef+'["'+ident+'"]'+styleSwitch+'.display="block"');
						idMenu=ident;
			 		  }																  
			 		  else
			 		  	  eval(layerRef+'["'+ident+'"]'+styleSwitch+'.display="none"');
			}
}

function instalMenu(){
		 			if(flagPTM==1){
						if(sp.DOM)
					       document.getElementById("PTM").style.display="block" ;
						 else
					 	   eval(layerRef+'["PTM"]'+styleSwitch+'.display="block"');
					}
}