function cambiar_s(obj,color,x){
	if(x == 1){obj.style.background = color;}else{
	obj.style.background = color;}}


function pop_up(pagina,ancho,alto,id){
var Left = (screen.width-ancho)/2;var Top = (screen.height-alto)/2;var p = 'no';if(id == 0)p = 'yes';
var opciones='toolbar='+p+',location='+p+',directories='+p+',status='+p+',menubar='+p+',scrollbars=yes,resizable='+p+',width='+ancho+',height='+alto+',top='+Top+',left='+Left+'';popup = window.open(pagina+'?id='+id,"ventana",opciones);popup.focus();
}


function linker(x,y,z){
	if(y==''){top.location = x}
	else{
		if(z!= '')
			window.frames[y].window.location.href = x+'?id='+z;
		else
			window.frames[y].window.location.href = x;
		
		var obj = document.getElementById("top_left");
		if(z==11 || z == 12 || z== 13){
			obj.style.backgroundImage = 'url(images/header_ciudad.jpg)';
		}
		else if(z==18){
			obj.style.backgroundImage='url(images/header_info.jpg)';
		}
		else if(z==19){
			obj.style.backgroundImage='url(images/header_tramites.jpg)';
		}
		else if(z==20){
			obj.style.backgroundImage='url(images/header_agenda.jpg)';
		}else
			obj.style.backgroundImage='url(images/header_principal.jpg)';
	}
}