//	common javascript code
//
/*
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	standard image swaps for rollovers, etc.
		- this code part of Dreamweaver 8 library

*/
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];}
}

/*
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	sfHover (used for IE rollovers, especially drop down menus)
		- comment out this function to prevent errors if it is not being used. The ElementID must be set for the ddmenu!

*/
function sfHover() {
	var sfEls = document.getElementById("mainNav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);


/*
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	toggle a target's display status
		- used element ID

*/
function toggle(targetId) {
	if (document.getElementById) {
		target = document.getElementById(targetId);
		if (target.style.display == "none") { target.style.display = ""; }
		else { target.style.display = "none"; }
	} 
}

function divSwap(targetId, cleanId) {
	if (document.getElementById) {
		clean = document.getElementById(cleanId);
		clean.style.display = "none";
		target = document.getElementById(targetId);
		target.style.display = "";
	} 
}

/*
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	jumpMenu
		- for basic <select> element linking

*/
function jumpMenu(selObj) {
	eval("parent.location='"+selObj.options[selObj.selectedIndex].value+"'");
}

/*
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	deactivate form
		- parentID should be the ID of the form or the fieldset/label containing the element to be disabled

*/
function deactivate_form(parentID) {
	if (document.all || document.getElementById) {
		var formEls = document.getElementById(parentID).getElementsByTagName("INPUT");
		for (var i = 0; i < formEls.length; i++) { formEls[i].disabled = !formEls[i].disabled; }
		formEls = document.getElementById(parentID).getElementsByTagName("SELECT");
		for (var i = 0; i < formEls.length; i++) { formEls[i].disabled = !formEls[i].disabled; }
		formEls = document.getElementById(parentID).getElementsByTagName("TEXTAREA");
		for (var i = 0; i < formEls.length; i++) { formEls[i].disabled = !formEls[i].disabled; }
	}
}

/*
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	resizing flash stage at runtime
		- parentID should be the ID of the form or the fieldset/label containing the element to be disabled

setFlashWidth(divid, newW)
divid: id of the div containing the flash movie.
newW: new width for flash movie

setFlashWidth(divid, newH)
divid: id of the div containing the flash movie.
newH: new height for flash movie

setFlashSize(divid, newW, newH)
divid: id of the div containing the flash movie.
newW: new width for flash movie
newH: new height for flash movie

canResizeFlash()
returns true if browser supports resizing flash, false if not. 

*/
function setFlashWidth(divid, newW){
	document.getElementById(divid).style.width = newW+"px";
}

function setFlashHeight(divid, newH){
	document.getElementById(divid).style.height = newH+"px";		
}

function setFlashSize(divid, newW, newH){
	setFlashWidth(divid, newW);
	setFlashHeight(divid, newH);
}

function canResizeFlash(){
	var ua = navigator.userAgent.toLowerCase();
	var opera = ua.indexOf("opera");
	if( document.getElementById ){
		if(opera == -1) return true;
		else if(parseInt(ua.substr(opera+6, 1)) >= 7) return true;
	}
	return false;
}

/*
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	client side includion of xml/html content from a file
		- replaces a given div on the page!
*/
function clientSideInclude(id, url) {
  var req = false;
  // For Safari, Firefox, and other non-MS browsers
  if (window.XMLHttpRequest) {
    try {
      req = new XMLHttpRequest();
    } catch (e) {
      req = false;
    }
  } else if (window.ActiveXObject) {
    // For Internet Explorer on Windows
    try {
      req = new ActiveXObject("Msxml2.XMLHTTP");
    } catch (e) {
      try {
        req = new ActiveXObject("Microsoft.XMLHTTP");
      } catch (e) {
        req = false;
      }
    }
  }
 var element = document.getElementById(id);
 if (!element) {
  alert("Bad id " + id + 
   "passed to clientSideInclude." +
   "You need a div or span element " +
   "with this id in your page.");
  return;
 }
  if (req) {
    // Synchronous request, wait till we have it all
    req.open('GET', url, false);
    req.send(null);
    element.innerHTML = req.responseText;
  } else {
    element.innerHTML =
   "Sorry, your browser does not support " +
      "XMLHTTPRequest objects. This page requires " +
      "Internet Explorer 5 or better for Windows, " +
      "or Firefox for any system, or Safari. Other " +
      "compatible browsers may also exist.";
  }
}