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_findObj(n, d) { //v3.0
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); 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 MM_nbGroup(event, grpName) { //v3.0
var i,img,nbArr,args=MM_nbGroup.arguments;
if (event == "init" && args.length > 2) {
if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
nbArr[nbArr.length] = img;
for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
if (!img.MM_up) img.MM_up = img.src;
img.src = img.MM_dn = args[i+1];
nbArr[nbArr.length] = img;
} }
} else if (event == "over") {
document.MM_nbOver = nbArr = new Array();
for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
if (!img.MM_up) img.MM_up = img.src;
img.src = (img.MM_dn && args[i+2]) ? args[i+2] : args[i+1];
nbArr[nbArr.length] = img;
}
} else if (event == "out" ) {
for (i=0; i < document.MM_nbOver.length; i++) {
img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
} else if (event == "down") {
if ((nbArr = document[grpName]) != null)
for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
document[grpName] = nbArr = new Array();
for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
if (!img.MM_up) img.MM_up = img.src;
img.src = img.MM_dn = args[i+1];
nbArr[nbArr.length] = img;
} }
}

function MM_showHideLayers() { //v3.0
var i,p,v,obj,args=MM_showHideLayers.arguments;
for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
obj.visibility=v; }
}

function flash_oeas(direccion,ancho,alto,alineacion,titulo){
if (alineacion=="") {alineacion="middle";}
if (alineacion=="d") {alineacion="right";}
if (alineacion=="i") {alineacion="left";}
document.write('<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="'+ancho+'" height="'+alto+'" id="1" align="'+alineacion+'" title="'+titulo+'" >');
document.write('<param name="allowScriptAccess" value="sameDomain" />');
document.write('<param name="movie" value="'+direccion+'" />');
document.write('<param name="menu" value="false" />');
document.write('<param name="quality" value="high" />');
document.write('<param name="allowFullScreen" value="true" />');
document.write('<param name="bgcolor" value="#ffffff" />');
document.write('<param name="WMode" value="transparent" />');
document.write('<embed src="'+direccion+'" menu="false" quality="high" bgcolor="#ffffff" width="'+ancho+'" height="'+alto+'" name="1" align="'+alineacion+'" allowScriptAccess="sameDomain" allowFullScreen="true" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" wmode="transparent" /></object>');
}

function solo_numeros(evt){	
var nav4 = window.Event ? true : false;
var key = nav4 ? evt.which : evt.keyCode;	
return (key <= 13 || (key >= 48 && key <= 57));
}

function solo_numeros_y_punto(evt){	
var nav4 = window.Event ? true : false;
var key = nav4 ? evt.which : evt.keyCode;	
return ( (key <= 13 || (key >= 48 && key <= 57)) || (key == 46) );
}

function solo_numeros_y_punto(evt){	
var nav4 = window.Event ? true : false;
var key = nav4 ? evt.which : evt.keyCode;	
return ( (key <= 13 || (key >= 48 && key <= 57)) || (key == 46) );
}

function confirma_eliminar(nombre_elemento)
{
var respuesta=confirm('Esta seguro que desea eliminar '+nombre_elemento+'');
if (respuesta) return true ; else return false ;
}

function contar_caracteres(form,name,limite) 
{
n = document.forms[form][name].value.length;
if (n > limite){document.forms[form][name].value = document.forms[form][name].value.substring(0, limite);}
else {document.forms[form]['caracteres_restantes'].value = limite-n;}
}