// JavaScript Document

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 submitItMultiple(form,array_camps,array_strs,frase) {
	if (frase == undefined ) {
		frase='is empty';
	}
	// aqui form es un string
	for (var i=0;i<array_camps.length;i++) {
		camp=eval("form."+array_camps[i]);
		val = "";
		if (camp.type!='select-one' && camp.length>0) { // radio buttons!		
			for (var j=0;j<camp.length;j++) {
				if (camp[j].checked) {
					val='checked';
				}
			}
		} else {
			val = camp.value;
			val = val.trim();
		}
		if (camp.id=='email' && !validEmail(val)) {
				//alert('Formato de email incorrecto');
				alert(array_strs[i] + " " + frase);
				return false;
		} else if (val=="") {
			alert(array_strs[i] + " " + frase);
			return false;
		}
	}
}


function validEmail(email) {

			invalidChars = " /:,;"


			if (email == "") {

				return false

			}

			for (i=0; i<invalidChars.length; i++) {

				badChar = invalidChars.charAt(i)

				if (email.indexOf(badChar,0) > -1) {

					return false

				}

			}

			atPos = email.indexOf("@",1)

			if (atPos == -1) {

				return false

			}

			if (email.indexOf("@",atPos+1) > -1) {

				return false

			}

			periodPos = email.indexOf(".",atPos)

			if (periodPos == -1) {

				return false

			}

			if (periodPos+3 > email.length)	{

				return false

			}

			return true

}

String.prototype.trim = function() {
		return this.replace( /(^\s*)|(\s*$)/g, '' ) ;
}