var SITE_ROOT = "";

// this function will update the SITE_ROOT variable to be used throughout the site js files
// a = the root path to be used
function setsiteroot(a){
	SITE_ROOT = a;
}

// this function will open a thank you window
// a = the dialog to be displayed within the window
function opendialog(a){
	jQuery.facebox(a);
}


// this function will create a new timer and then call the function that is passed to it
// a = the function to call after the time limit has passed
// b = the time limit we want to wait for
function timedEvent(a,b){
	var t=setTimeout(a,b);
}


// this function will clear the sneezeguard after a short wait
function closeSneezeguard(){
	document.getElementById('sneezeguard').style.display='none';
}


// this function is a safety catch to make sure that someone doesn't do something silly by accident
function redLight(){
	msg = "This action cannot be undone and will permanently remove this record and all associated media from the system.  Are yo usure that you wish to continue?";
	return confirm(msg);
}

// this function will fade out the complete message after a few seconds
function fadeComplete(){
	$('div.complete').slideUp("slow");
}


// the following script and 2 functions handle floating .png images in IE
//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 
//		 var imgAttribs = img.attributes;
//		 for (var j=0; j<imgAttribs.length; j++){
//			var imgAttrib = imgAttribs[j];
//			if (imgAttrib.nodeName == "align"){		  
//			   if (imgAttrib.nodeValue == "left") imgStyle = "float:left;" + imgStyle
//			   if (imgAttrib.nodeValue == "right") imgStyle = "float:right;" + imgStyle
//			   break
//			}
//		 }
//		 if (img.parentElement.href) imgStyle = "cursor:hand;" + imgStyle
//		 var strNewHTML = "<span " + imgID + imgClass + imgTitle
//		 strNewHTML += " style=\"" + "width:" + img.width + "px; height:" + img.height + "px;" + imgStyle + ";"
//		 strNewHTML += "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
//		 strNewHTML += "(src='" + img.src + "', sizingMethod='scale');\""
//		 strNewHTML += " onmouseover=\"PNGswap('" + img.id + "');\" onmouseout=\"PNGswap('" + img.id +"');\""
//		 strNewHTML += "></span>" 
//		 img.outerHTML = strNewHTML
//		 i = i-1
//	  }
//   }
//}

function PNGswap(myID){
   var strOver  = "_on"
   var strOff = "_off"
   var oSpan = document.getElementById(myID)
   var currentAlphaImg = oSpan.filters(0).src
   if (currentAlphaImg.indexOf(strOver) != -1)
      oSpan.filters(0).src = currentAlphaImg.replace(strOver,strOff)
   else
      oSpan.filters(0).src = currentAlphaImg.replace(strOff,strOver)
}

function imgSwap(oImg){
   var strOver  = "_on"    // image to be used with mouse over
   var strOff = "_off"     // normal image
   var strImg = oImg.src
   if (strImg.indexOf(strOver) != -1) 
      oImg.src = strImg.replace(strOver,strOff)
   else
      oImg.src = strImg.replace(strOff,strOver)
}