<!--


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];}
}


// trim string function
function trimString (str) {
  str = this != window? this : str;
  return str.replace(/^\s+/g, '').replace(/\s+$/g, '');
}


// prevent form submission through enter key
function noenter(e,formname,validationfunction) {

	var Key = e.keyCode? e.keyCode : e.charCode

	if (Key == 13) { 
		eval(validationfunction)();
		return false;
	}

}

// function to limit posting content
 function textLimit(field, maxlen, errormessage) {
 if (field.value.length > maxlen) {
 field.value = field.value.substring(0, maxlen);
 alert(errormessage);
 } }

function changeFontSize(inc,tag)
{
  var p = document.all(tag);
  for(n=0; n<p.length; n++) {
    if(p[n].style.fontSize) {
       var size = parseInt(p[n].style.fontSize.replace("px", ""));
    } else {
       var size = 12;
    }
    
    if(size > 18) {
    	size = 18;
    }
    if(size < 9) {
    	size = 9;
    }
    
    p[n].style.fontSize = size+inc + 'px';
   }
}

// ********************************************************************************
// *********************** Validate Navigation Login Form *************************
// ********************************************************************************

function validatelogin() {

	if (trimString(document.navlogin.guestemail.value) == "")
		 {
			alert("Please enter your email address");
			return;
		 }
	
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(trimString(navlogin.guestemail.value)))
	{ } else {
		alert("The Email address you entered is invalid. Please re-enter it.")
	  return;
	  }
	
	if (trimString(document.navlogin.guestpassword.value) == "")
		 {
			alert("Please enter your password");
			return;
		 }

	 document.navlogin.submit()
}


// ********************************************************************************
// ********************************************************************************

//-->