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 alpha(e) {
var k;
document.all ? k = e.keyCode : k = e.which;
return ((k > 64 && k < 91) || (k > 96 && k < 123) || k == 8);
}


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 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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function Enviar(){
	var active=true;
	if (trim(frm.n.value)==""){
		alert ("Your Name is mandatory");		
		frm.n.focus();
		active=false;
	}else{
		if (!ValidarEmail(frm.e.value)){
			frm.e.focus();				
			active=false;
		}
	}	
	if (active){
		frm.submit();
	}
}

function ValidarEmail(email){
    var cadena = "Email incorrect " + email
      + "\nPlease verify your Email";

    if( email.indexOf('@',0) <= 0  || email.indexOf(';',0) != -1
     || email.indexOf(' ',0) != -1 || email.indexOf('index.html',0) != -1
     || email.indexOf(';',0) != -1 || email.indexOf('<',0) != -1
     || email.indexOf('>',0) != -1 || email.indexOf('*',0) != -1
     || email.indexOf('|',0) != -1 || email.indexOf('`',0) != -1
     || email.indexOf('&',0) != -1 || email.indexOf('$',0) != -1
     || email.indexOf('!',0) != -1 || email.indexOf('"',0) != -1
     || email.indexOf(':',0) != -1 ){
	 	alert(cadena); 
		return false; 
	}else{
		return true;
    }
}

function trim(str){
	var cadena = String(str);
	var nuevaCadena = String(str);
	var i = 0;	
	while (cadena.charAt(i) == " "){
		i++;
		nuevaCadena = cadena.substring(i,cadena.length - 1);
	}
	cadena = nuevaCadena;
	i = cadena.length - 1;
	while (cadena.charAt(i) == " "){
		nuevaCadena = cadena.substring(0,i);
		i--;
	}
	cadena = nuevaCadena;
	return cadena;
}