function MM_reloadPage(init) {  //reloads the window if Nav4 resized
if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
	document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_swapImgRestore() { //v3.0
var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
	var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
	if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
	d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function cambiaFondo(id,color){
	var elemento = document.getElementById(id);
	elemento.style.backgroundColor=color;
}
function cambiaFondoOut(id,color){
	var elemento = document.getElementById(id);
	elemento.style.backgroundColor=color;
}

/*
 * Filtra el campo de texto al que se le asocia este método 
 * para permitir sólo la entrada de números y los caracteres de borrar y movimiento.
 */
function FiltraNumerico(e) {
	var code;
	if(window.event) 
	{
		code = window.event.keyCode;
	}
	else 
	{
		code = e.which;
	}
	
	if( code == 8 || code == 9 || code == 13 || code == 37 || code == 39 || code == 46 || code == 49 ) return true;
	else
		if( code >= 48 && code <= 57 ) return true;
		else
			if( code >= 96 && code <= 105 ) return true;
			else return false;
}


/*
 * Filtra el campo de texto al que se le asocia este método 
 * para no permitir la entrada de comillas.
 */
function FiltraComilla() {
	var code;
	if(window.event) 
	{
		code = window.event.keyCode;
	}
	else 
	{
		code = e.which;
	}
	
	return (code != 219);
}