function correctPNG() // correctly handle PNG transparency in Win IE 5.5 & 6.
{
   var arVersion = navigator.appVersion.split("MSIE")
   var version = parseFloat(arVersion[1])
   if ((version >= 5.5) && (document.body.filters)) 
   {
      for(var i=0; i<document.images.length; i++)
      {
         var img = document.images[i]
         var imgName = img.src.toUpperCase()
         if (imgName.substring(imgName.length-3, imgName.length) == "PNG")
         {
            var imgID = (img.id) ? "id='" + img.id + "' " : ""
            var imgClass = (img.className) ? "class='" + img.className + "' " : ""
            var imgTitle = (img.title) ? "title='" + img.title + "' " : "title='" + img.alt + "' "
            var imgStyle = "display:inline-block;" + img.style.cssText 
            if (img.align == "left") imgStyle = "float:left;" + imgStyle
            if (img.align == "right") imgStyle = "float:right;" + imgStyle
            if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
            var strNewHTML = "<span " + imgID + imgClass + imgTitle
            + " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
            + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
            + "(src=\'" + img.src + "\', sizingMethod='scale');\"></span>" 
            img.outerHTML = strNewHTML
            i = i-1
         }
      }
   }    
}

function checkPhoto(filename) {
		var fileArr = filename.split('.');
		var suffix = fileArr.pop().toLowerCase();
		if (suffix != 'jpg' && suffix != 'jpeg') {
			return false
		} else {
			return true
		}
	}

function isValidEmail(email) {
		var emailRegExp = /^\w(?:\w|-|\.(?!\.|@))*@\w(?:\w|-|\.(?!\.))*\.\w{2,4}/ 
		var result = email.match(emailRegExp);
		if ((result && result[0].length != email.length) || !result) {
			return false
		} else {
			return true
		}
	}
	
function chkSubscribeForm() {
	if (!$('#subscribeEmail').val().length || $('#subscribeEmail').val() == 'Email Address' || !isValidEmail($('#subscribeEmail').val())) {
		alert('Please enter a valid email');
		return false;
	} else {
		$('#subscribeBottomP').val('1');
		return true;	
	}
}
	
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_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_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 quickSearch() {
		if (document.quicksearch.criteria.value=='Keyword') {
			document.quicksearch.criteria.value='';
		}
		document.quicksearch.submit();
}
function quickTopSearchDo() {
		if (document.quickTopSearch3.criteria.value=='Keyword') {
			document.quickTopSearch3.criteria.value='';
		}
		document.quickTopSearch3.submit();
}
function quickRestorerTopSearchDo() {
		if (document.quickTopSearch3.criteria.value=='Keyword') {
			document.quickTopSearch3.criteria.value='';
		}
		document.quickTopSearch3.submit();
}

	function recordHit() {
			
		  var $a = $(this);
		  if ($a.attr('href') != undefined) {
			  var href = $a.attr('href');
			  var text = $a.text();
			 
			  if ( (href.match(/^http/)) && (! href.match(document.domain)) ) {
				$a.attr('target','_blank');
				$a.click(function() {
					$.get('_ajax/record_externalLink.cfm',{rand:Math.random(),link:href,text:text});
				});
			  }
		  }
 

	}

$(document).ready(function() {
	correctPNG();
	$('#login_password').focus(function() {
		this.blur();
		$(this).unbind('focus');
		if (this.type=='text' && this.value=='Password') {
			$('#pwordField').html('<input type="password" name="login_password" id="login_password" value="" class="inputLoginPassword" tabindex="2" />');			
		}
		var headerLoginText = $('#headerLoginEmail').val();
		document.quickLoginForm.headerLoginEmail.focus();
		document.quickLoginForm.login_password.focus();
		$('#headerLoginEmail').val(headerLoginText);
	});
	$('#headerLoginEmail').focus(function() {
		if (this.value=='Email address') {
			this.value='';
		}
	});
	//$('#nav li').sfHover();
	$('a').each(recordHit);
});