navHover = function() {
	var lis = document.getElementById("navmenu").getElementsByTagName("LI");
	for (var i=0; i<lis.length; i++) {
		lis[i].onmouseover=function() {
			this.className+=" iehover";
		}
		lis[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" iehover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", navHover);

var activeImage = false;
function showImage()
	{
		if(activeImage){
			activeImage.style.filter = 'alpha(opacity=50)';	
			activeImage.style.opacity = 0.5;
			this.style.borderColor='#CCCCCC';
		}	
		this.style.filter = 'alpha(opacity=100)';
		this.style.opacity = 1;	
		activeImage = this;	
	}
	
function MM_findObj(n, d) { //v4.0

  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);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
var imageGalleryObj = document.getElementById('theImages');
var slideshowImages = imageGalleryObj.getElementsByTagName('IMG');
		for(var no=0;no<slideshowImages.length;no++){
			slideshowImages[no].onmouseover = showImage;
		}
  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 searchvalid()
{
	if((document.frmsearch.txtsearch.value=="")||(document.frmsearch.txtsearch.value=="Search here..."))
	{
		alert("Please enter the search keyword");
		document.frmsearch.txtsearch.focus();
		return false;
	}
}
function validClient()
{
	if(document.login.txtUserName.value=="")
	{
		alert("Proporcione su Nombre de Usuario");
		document.login.txtUserName.focus();
		return false;
	}
	if(document.login.txtpassword.value=="")
	{
		alert("Proporcione su Contraseña");
		document.login.txtpassword.focus();
		return false;
	}
}
function nvalidClient()
{
	if(document.frmlogin.txtUserName.value=="")
	{
		alert("Proporcione su Nombre de Usuario");
		document.frmlogin.txtUserName.focus();
		return false;
	}
	if(document.frmlogin.txtpassword.value=="")
	{
		alert("Proporcione su Contraseña");
		document.frmlogin.txtpassword.focus();
		return false;
	}
}
function submitpub()
{
	document.pub.pubId.value='1';
}
var popupwin;
function popUp(url)
{
	if(popupwin)
	{
		if(!popupwin.closed) popupwin.close();
	}
	popupwin=open(url,'popupwin','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=no,width=500,height=500,left=200,top=250');
}
function validnewsletter(strurl)
{
	//alert("test");
	var emailPat = /^[A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)*[@][A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)+$/
	var matchArray = newsletter.email.value.match(emailPat);
	if(document.newsletter.email.value=="")
	{
		alert("Favor de proporcionar un correo electrónico válido");
		return false;
	}
	else
	{
		if (matchArray == null)
		{
			alert ("Favor de proporcionar un correo electrónico válido.");
			document.newsletter.email.focus();
			return false;
		}
		else
		{
			window.location=strurl+'newsletter.php?email='+document.newsletter.email.value;
			//popUp(strurl+'newsletter.php?email='+document.newsletter.email.value);
		}
	}
	document.newsletter.email.value='';
	return false;
}
function clearTip(field)
{
	if(field.defaultValue == field.value)
	field.value = "";
}

function writeTip(field)
{
	if(field.value == "")
		field.value = field.defaultValue;
}
function chkcontact()
{
	if(document.contactus.fName==undefined)
	{
	}
	else
	{
		if((document.contactus.fName.value=="")&&(document.contactus.fName.className=="required"))
		{
				alert (document.contactus.fName_msg.value);
				document.contactus.fName.focus();
				return false;
		}
	}
	if(document.contactus.lName==undefined)
	{
	}
	else
	{
		if((document.contactus.lName.value=="")&&(document.contactus.lName.className=="required"))
		{
				alert (document.contactus.lName_msg.value);
				document.contactus.lName.focus();
				return false;
		}
	}
	if(document.contactus.email==undefined)
	{
	}
	else
	{
		var emailPat = /^[A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)*[@][A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)+$/
		var matchArray = contactus.email.value.match(emailPat);
		if((document.contactus.email.value=="")&&(document.contactus.email.className=="required"))
			{
				alert (document.contactus.email_msg.value);
				document.contactus.email.focus();
				return false;
			}
		else
		{
			if ((matchArray == null)&&(document.contactus.email.className=="required"))
			{
				alert (document.contactus.email_msg.value);
				document.contactus.email.focus();
				return false;
			}
		}
	}
	if(document.contactus.company==undefined)
	{
	}
	else
	{
		if((document.contactus.company.value=="")&&(document.contactus.company.className=="required"))
		{
				alert (document.contactus.company_msg.value);
				document.contactus.company.focus();
				return false;
		}
	}
	if(document.contactus.telephone==undefined)
	{
	}
	else
	{
		if((document.contactus.telephone.value=="")&&(document.contactus.telephone.className=="required"))
		{
				alert (document.contactus.telephone_msg.value);
				document.contactus.telephone.focus();
				return false;
		}
	}
	if(document.contactus.fax==undefined)
	{
	}
	else
	{
		if((document.contactus.fax.value=="")&&(document.contactus.fax.className=="required"))
		{
				alert (document.contactus.fax_msg.value);
				document.contactus.fax.focus();
				return false;
		}
	}
	if(document.contactus.add==undefined)
	{
	}
	else
	{
		if((document.contactus.add.value=="")&&(document.contactus.add.className=="required"))
		{
				alert (document.contactus.add_msg.value);
				document.contactus.add.focus();
				return false;
		}
	}
	if(document.contactus.zip==undefined)
	{
	}
	else
	{
		if((document.contactus.zip.value=="")&&(document.contactus.zip.className=="required"))
		{
				alert (document.contactus.zip_msg.value);
				document.contactus.zip.focus();
				return false;
		}
	}
	if(document.contactus.city==undefined)
	{
	}
	else
	{
		if((document.contactus.city.value=="")&&(document.contactus.city.className=="required"))
		{
				alert (document.contactus.city_msg.value);
				document.contactus.city.focus();
				return false;
		}
	}
	if(document.contactus.state==undefined)
	{
	}
	else
	{
		if((document.contactus.state.value=="")&&(document.contactus.state.className=="required"))
		{
				alert (document.contactus.state_msg.value);
				document.contactus.state.focus();
				return false;
		}
	}
	if(document.contactus.country==undefined)
	{
	}
	else
	{
		if((document.contactus.country.value=="")&&(document.contactus.country.className=="required"))
		{
				alert (document.contactus.country_msg.value);
				document.contactus.country.focus();
				return false;
		}
	}
	if(document.contactus.comment==undefined)
	{
	}
	else
	{
		if((document.contactus.comment.value=="")&&(document.contactus.comment.className=="required"))
		{
				alert (document.contactus.comment_msg.value);
				document.contactus.comment.focus();
				return false;
		}
	}
	
}
function chkuser()
{
	if(document.newuser.fName.value=="")
	{
		alert("Favor de proporcionar su nombre.");
		document.newuser.fName.focus();
		return false;
	}
	if(document.newuser.lName.value=="")
	{
		alert("Favor de proporcionar su apellido.");
		document.newuser.lName.focus();
		return false;
	}
	var emailPat = /^[A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)*[@][A-Za-z0-9_\-]+([.][A-Za-z0-9_\-]+)+$/
	var matchArray = newuser.email.value.match(emailPat);
	var matchArray1 = newuser.alt_email.value.match(emailPat);
	if(document.newuser.email.value=="")
		{
			alert("Favor de proporcionar un correo electrónico válido");
			document.newuser.email.focus();
			return false;
		}
	else
	{
		if (matchArray == null)
		{
			alert ("Favor de proporcionar un correo electrónico válido.");
			document.newuser.email.focus();
			return false;
		}
	}
	if(document.newuser.alt_email.value!="")
	{
	if (matchArray1 == null)
		{
			alert ("Favor de proporcionar un correo electrónico válido.");
			document.newuser.alt_email.focus();
			return false;
		}
	}
	if(document.newuser.userName.value=="")
	{
		    alert ("Proporcione su Nombre de Usuario");
		    document.newuser.userName.focus();
			return false;
	}
	if(document.newuser.password.value=="")
	{
		    alert ("Proporcione su Contraseña.");
		    document.newuser.password.focus();
			return false;
	}
	
	if(document.newuser.question.value=="")
	{
		    alert ("Por favor seleccione una pregunta.");
		    document.newuser.question.focus();
			return false;
	}
	if(document.newuser.answer.value=="")
	{
		    alert ("Por favor escriba su respuesta.");
		    document.newuser.answer.focus();
			return false;
	}
	if(document.newuser.country.value=="")
	{
		    alert ("Favor de seleccionar su País");
		    document.newuser.country.focus();
			return false;
	}
}
function noChars(e)
				{
				
				var keynum
				var keychar
				var numcheck

				if(window.event) // IE
					{
					keynum = e.keyCode
					}
				else if(e.which) // Netscape/Firefox/Opera
					{
					keynum = e.which
					}
				keychar = String.fromCharCode(keynum)
				numcheck = /\d/
				return numcheck.test(keychar)
				}