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_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) { //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 CheckSignup(step)
{
	switch(step)
	{
		case 1:
		{
			if(!CheckTextField("txtCompany","You must enter your Company Name")) return false;
			if(!CheckTextField("txtFirst","You must enter your First Name")) return false;
			if(!CheckTextField("txtLast","You must enter your Last Name")) return false;
			if(!CheckTextField("txtAddress","You must enter your address")) return false;
			if(!CheckTextField("txtCity","You must enter your City")) return false;
			if(!CheckTextField("txtZip","You must enter your Zip code ")) return false;
			if(!CheckTextField("txtProvince","You must enter your Province ")) return false;
			if(!CheckTextField("txtPhone","You must enter your Phone Number")) return false;
			if(!CheckTextField("txtFax","You must enter your Fax Number")) return false;
			if(!CheckTextField("txtMobile","You must enter your Cell Phone Number")) return false;
			if(!CheckTextField("txtEmail","You must enter your Email Address")) return false;

			// Una vez que tenemos todo eso chequeado, verificamos el email address y luego que el password matchee
			if(!CheckEmail("txtEmail","Invalid Email Address")) return false;

			if(!CheckTextField("txtPassword","You must enter your desired password")) return false;
			if(!CheckTextField("txtPassword2","You must confirm your desired password")) return false;

			if(!CheckPassword("txtPassword","txtPassword2","Password confirmation mismatch")) return false;
		} break;

	}
	return true;
}

function CheckTextField(field_id, error)
{
	if(document.getElementById(field_id).value=="")
	{
		document.getElementById(field_id).focus();
		alert(error);
		return false;
	}

	return true;
}

function CheckPassword(field1_id, field2_id, error)
{
	if(document.getElementById(field1_id).value!=document.getElementById(field2_id).value)
	{
		document.getElementById(field2_id).focus();
		alert(error);
		return false;
	}
	return true;

}

function CheckEmail(field_id,error)
{    
	var emailexp = /^[a-z0-9][a-z0-9_\._\%_-]+@[a-z0-9_\[_\]_-]+\.[a-z0-9_\[_\]_-]+/i;
   
	var value = document.getElementById(field_id).value;

	if (!emailexp.test(value)) 
	{
		document.getElementById(field_id).focus();
		alert(error);
		return false;
	}
	return true;
}

function Edit(from, field)
{
	// from is the object
	from.style.display="none";
	document.getElementById(field).style.display="";
}