//Ventana Pop up para imagenes--------------------------------------------------------------------------------------------------

function PopupPic(img){
  foto1= new Image();
  foto1.src=(img);
  Controlla(img);
}
function Controlla(img){
  if((foto1.width!=0)&&(foto1.height!=0)){
    viewFoto(img);
  }
  else{
    funzione="Controlla('"+img+"')";
    intervallo=setTimeout(funzione,20);
  }
}
function viewFoto(img){
  largh=foto1.width;
  altez=foto1.height;
  LeftPosition = (screen.width-foto1.width)/2;;
  TopPosition = (screen.height-foto1.height)/2;
  stringa="width="+largh+",height="+altez+",left="+LeftPosition+",top="+TopPosition+" ,toolbar=no,status=no,scrollbars=no,menubar=no,resizable=no,location=no,directories=no";
  finestra=window.open("enlarged.php?"+img,"",stringa);
}

//Validacion de formularios--------------------------------------------------------------------------------------------------

function EMailAddressIsValid(strVal) {
	var x = strVal;
	var filter = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (filter.test(x))
		return true;
	else
		return false;
}

function checkForm (form) {
	
	if (form.name.value == "") {
		alert( "You must enter your full name." );
		form.name.focus();
		return false ;
	}
	
	if (form.mail.value == "") {
		alert( "Please type a valid e-mail." );
		form.mail.focus();
		return false ;
	}
	else {
		if (EMailAddressIsValid(form.mail.value)) {
		//return true;
		}
		else {
			alert ("The e-mail is invalid, please check.");
			form.mail.focus();
			return false;
		}
	}
	
	if (form.address.value == "") {
		alert( "You must enter your mailing address." );
		form.address.focus();
		return false ;
	}
}

function checkCamposLogin (form) {
	
	if (form.mail.value == "") {
		alert( "Please type a valid e-mail for your account login." );
		form.mail.focus();
		return false ;
	}
	else {
		if (EMailAddressIsValid(form.mail.value)) {
		//return true;
		}
		else {
			alert ("The e-mail is invalid, please check.");
			form.mail.focus();
			return false;
		}
	}
	
	if (form.pwd.value == "") {
		alert( "You must enter your password." );
		form.pwd.focus();
		return false ;
	}
}

function checkCamposForgotPWD (form) {
	
	if (form.mail.value == "") {
		alert( "Please type a valid e-mail for your account login." );
		form.mail.focus();
		return false ;
	}
	else {
		if (EMailAddressIsValid(form.mail.value)) {
		//return true;
		}
		else {
			alert ("The e-mail is invalid, please check.");
			form.mail.focus();
			return false;
		}
	}
}
//Roll-Overs--------------------------------------------------------------------------------------------------

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];}
}