// Utilizado en las páginas de guia para hacer el
// preload de las imágenes
// y otras rutinas jscript

function CheckfrmFilter(form)	{
var btFilter = form.name;
var retorno;

	retorno = true;
	if (btFilter == "FilterSubmit")	{
		if (document.frmFilter.elements("txtFilter").value == "") {
			retorno = false;
		}
	}
	else	{
		document.frmFilter.elements("txtFilter").value = "";
	}
	
	return(retorno);
}

function CheckfrmFilterNS(btFilter)	{
var retorno;

	retorno = true;
	if (btFilter == "Filter")	{
		if (document.frmFilter.txtFilter.value == "") {
			retorno = false;
		}
	}
	else	{
		document.frmFilter.txtFilter.value = "";
	}
	
	if (retorno)	{
		document.frmFilter.submit();
	}
	
	return(retorno);
}

function newImage(source)	{
	img = new Image();
	img.src = source;
	return img;
}

function preloadImages()	{
	if (document.images)	{
		image_gbt00off = newImage("images/gbt00off.gif");
		image_gbt00on = newImage("images/gbt00on.gif");
		image_gbt01off = newImage("images/gbt01off.gif");
		image_gbt01on = newImage("images/gbt01on.gif");
		image_gbt02off = newImage("images/gbt02off.gif");
		image_gbt02on = newImage("images/gbt02on.gif");
		image_gbt03off = newImage("images/gbt03off.gif");
		image_gbt03on = newImage("images/gbt03on.gif");
		image_gbt04off = newImage("images/gbt04off.gif");
		image_gbt04on = newImage("images/gbt04on.gif");
		image_gbt05off = newImage("images/gbt05off.gif");
		image_gbt05on = newImage("images/gbt05on.gif");
		image_gbt06off = newImage("images/gbt06off.gif");
		image_gbt06on = newImage("images/gbt06on.gif");
		image_gbt07off = newImage("images/gbt07off.gif");
		image_gbt07on = newImage("images/gbt07on.gif");
		image_gbt08off = newImage("images/gbt08off.gif");
		image_gbt08on = newImage("images/gbt08on.gif");
		image_gbt09off = newImage("images/gbt09off.gif");
		image_gbt09on = newImage("images/gbt09on.gif");
		image_gbt10off = newImage("images/gbt10off.gif");
		image_gbt10on = newImage("images/gbt10on.gif");
		image_gbt11off = newImage("images/gbt11off.gif");
		image_gbt11on = newImage("images/gbt11on.gif");
		image_gbt12off = newImage("images/gbt12off.gif");
		image_gbt12on = newImage("images/gbt12on.gif");
		preloaded = true;
		
	}
}

function imageSwap(name, src)	{
	if (document.images && preloaded)	{
		eval("document." + name + ".src = image_" + src + ".src");
	}
}

function CheckBuscar(form) {
var retorno;
var Buscar = form.txtbuscar.value;
 
 retorno = true;
 if (Buscar == "") {
  retorno = false;
  }
 
 return(retorno);
 
}
 
function Buscar(form) {
var retorno;
var Buscar = form.txtbuscar.value;
 
 retorno = true;
 if (Buscar == "") {
  retorno = false;
 } else {
  guiSearch.submit();
 }
 
 return;
 
}


preloadImages();