// JavaScript Document

function useLoadingMessage(message) {
		  var loadingMessage, l, t;		  
		  if (message) loadingMessage = message;
		  else loadingMessage = "Cargando Datos, por favor espere... ";
		
		  DWREngine.setPreHook(function() {
		  	l = scroll.left/4;
		  	t = scroll.top/4;
			// ----------------
			if (window.innerHeight) {
				   pos = window.pageYOffset
			  } else if (document.documentElement && document.documentElement.scrollTop) {
				   pos = document.documentElement.scrollTop
			  } else if (document.body) {
				   pos = document.body.scrollTop
			  }
			// ----------------
			var disabledZone = $('disabledZone');
			if (!disabledZone) {
			  disabledZone = document.createElement('div');
			  disabledZone.setAttribute('id', 'disabledZone');
			  //disabledZone.style.position = "absolute";
			  disabledZone.style.zIndex = "1000";
			  disabledZone.style.left = "65px";
			  disabledZone.style.top = "110px";
			  disabledZone.style.width = "100%";
			  disabledZone.style.height = "100%";
			  document.body.appendChild(disabledZone);
			  var messageZone = document.createElement('div');
			  var imagen = document.createElement('img');
			  imagen.src="images/gifhistorico.gif";
			  imagen.align = "left";
			  imagen.width="26";
			  messageZone.setAttribute('id', 'messageZone');
			  messageZone.style.position = "absolute";
			  //messageZone.style.top = pos+"px";
			  messageZone.style.top = "100px";
			  messageZone.style.left = "650px";
			  messageZone.style.background = "#003366";
			  messageZone.style.border = "1px solid #003063";
			  messageZone.style.color = "white";
			  messageZone.style.fontFamily = "Arial,Helvetica,sans-serif";
			  messageZone.style.fontSize = "12px";
			  messageZone.style.padding = "4px";
			  disabledZone.appendChild(messageZone);
			  var text = document.createTextNode(loadingMessage);
			  messageZone.appendChild(imagen);
			  messageZone.appendChild(text);
			}
			else {
			  $('messageZone').style.top = pos+"px";
			  $('messageZone').innerHTML = "<img src=\"images/gifhistorico.gif\" align='left'>&nbsp;"+loadingMessage;
			  disabledZone.style.visibility = 'visible';
			}
		  });
		
		  DWREngine.setPostHook(function() {
			$('disabledZone').style.visibility = 'hidden';
		  });
	}