/*
http://warpspire.com/tipsresources/interface-scripting/image-preloading-revisited/
*/

var Preloader = {
	images: [],
	loadedImages: [],

	add: function(image) {
		if (typeof image == 'string') {
			Preloader.images.push(image);
		}
		if (typeof image == 'array' || typeof image == 'object') {
			for (var i = 0; i< image.length; i++) {
				Preloader.images.push(image[i]);
			}
		}
	},
	load: function() {
		for (var i = 0; i < Preloader.images.length; i++) {
			Preloader.loadedImages[i] = new Image();
			Preloader.loadedImages[i].src = Preloader.images[i];
		}
	}
}

YAHOO.util.Event.addListener(window, 'load', Preloader.load);


// is a variable empty? e.g. a group of check boxes with nothing
// checked, a group of radio buttons with nothing selected, false,
// null, or an empty string.
function is_empty(m_value)
{
	if (typeof m_value == 'undefined')
	{
		return true;
	}
	else if (m_value == null)
	{
		return true;
	}
	else if (typeof m_value == 'object')
	{
		for (var i = 0; i < m_value.length; i++)
		{
			if (m_value[i].checked == true)
			{
				return false;
			}
		}

		return true;
	}
	else
	{
		return (typeof m_value == 'boolean' && m_value == false) || (typeof m_value == 'string' && m_value.length == 0) || m_value == null ? true : false;
	}
}

// open a popup window (centered). ensure a new window is opened every
// time by appending the timestamp to the window name.
function popup(s_url, i_width, i_height, s_options)
{
	// add options with default.
	if (typeof s_options != 'string')
	{
		s_options = 'scrollbars=no,status';
	}

	var timestamp = new Date();

	var i_left = (screen.width - i_width) / 2;
	var i_top = (screen.height - i_height) / 2;

	var o_window = window.open(s_url, 'popup' + timestamp.getHours() + timestamp.getMinutes() + timestamp.getSeconds(), 'width=' + i_width + ',height=' + i_height + ',left=' + i_left + ',top=' + i_top + ',' + s_options);

	o_window.focus();
}

// automatic image rollovers with preloads.
function preload_rollovers(tag)
{
	if (typeof tag == 'string')
	{
		tag = [tag];
	}
	if (typeof tag == 'array' || typeof tag == 'object')
	{
		var o_re = new RegExp('([^0-9a-z])off((-trans)?\.[0-9a-z]{3,4})$', 'i');

		for (i in tag) {
			var a_elements = document.getElementsByTagName(is_empty(tag[i]) ? 'img' : tag[i]);

			for (var i = 0; i < a_elements.length; i++)
			{
				// does the element have an 'off' src?
				if (o_re.test(a_elements[i].src))
				{
					// add onmouseout and onmouseover events.
					eval('a_elements[i].onmouseout = function() { this.src = "' + a_elements[i].src + '"; };');
					eval('a_elements[i].onmouseover = function() { this.src = "' + a_elements[i].src.replace(o_re, '$1over$2') + '"; };');

					// add the image to the preloader.
					Preloader.add(a_elements[i].src.replace(o_re, '$1over$2'));
				}
			}
		}
	}
}

// clear all form elements except for hidden, buttons, and submit types.
function form_clear(o_form)
{
	for (var i = 0; i < o_form.elements.length; i++)
	{
		if (o_form.elements[i].type != 'button' && o_form.elements[i].type != 'hidden' && o_form.elements[i].type != 'submit')
		{
			o_form.elements[i].value = '';
		}

		if (o_form.elements[i].type == 'checkbox')
		{
			o_form.elements[i].checked = false;
		}

		if (o_form.elements[i].type == 'select-multiple')
		{
			for (var j = 0; j < o_form.elements[i].length; j++)
			{
				o_form.elements[i][j].selected = false;
			}
		}
	}
}

// set the specified day, month, week form elements.
function form_date_set(i_day, i_month, i_year, s_prefix, s_form)
{
	form_element_set((is_empty(s_prefix) ? null : s_prefix + '_') + 'day', i_day, s_form);
	form_element_set((is_empty(s_prefix) ? null : s_prefix + '_') + 'month', i_month, s_form);
	form_element_set((is_empty(s_prefix) ? null : s_prefix + '_') + 'year', i_year, s_form);
}

// unset the specified day, month, week form elements.
function form_date_unset(s_form, s_prefix, s_form)
{
	form_element_set((is_empty(s_prefix) ? null : s_prefix + '_') + 'day', '', s_form);
	form_element_set((is_empty(s_prefix) ? null : s_prefix + '_') + 'month', '', s_form);
	form_element_set((is_empty(s_prefix) ? null : s_prefix + '_') + 'year', '', s_form);
}

// disable all elements in a form.
function form_disable(o_form)
{
	for (var i = 0; i < o_form.elements.length; i++)
	{
		o_form.elements[i].disabled = true;
	}
}

// focus a form element if it exists.
function form_element_focus(s_form, s_element)
{
	var i;

	if (is_empty(s_form))
	{
		for (i = 0; i < document.forms.length; i++)
		{
			if (document.forms[i] && document.forms[i].elements[s_element] && document.forms[i].elements[s_element].type != 'hidden' && document.forms[i].elements[s_element].style.display != 'none')
			{
				document.forms[i].elements[s_element].focus();

				if (document.forms[i].elements[s_element].type == 'input' || document.forms[i].elements[s_element].type == 'textarea')
				{
					document.forms[i].elements[s_element].select();
				}
			}
		}
	}
	else if (document.forms[s_form] && document.forms[s_form].elements[s_element] && document.forms[s_form].elements[s_element].type != 'hidden')
	{
		document.forms[s_form].elements[s_element].focus();

		if (document.forms[s_form].elements[s_element].type == 'input' || document.forms[s_form].elements[s_element].type == 'textarea')
		{
			document.forms[s_form].elements[s_element].select();
		}
	}
}

// get a form element's value, if it exists.
function form_element_get(s_element, s_form)
{
	var i;

	if (is_empty(s_form))
	{
		for (i = 0; i < document.forms.length; i++)
		{
			if (document.forms[i] && document.forms[i].elements[s_element])
			{
				return document.forms[i].elements[s_element].value;
			}
		}
	}
	else if (document.forms[s_form] && document.forms[s_form].elements[s_element])
	{
		return document.forms[s_form].elements[s_element].value;
	}
}

// set a form element's value, if it exists.
function form_element_set(s_element, s_value, s_form)
{
	var i;

	if (is_empty(s_form))
	{
		for (i = 0; i < document.forms.length; i++)
		{
			if (document.forms[i] && document.forms[i].elements[s_element])
			{
				document.forms[i].elements[s_element].value = s_value;
			}
		}
	}
	else if (document.forms[s_form] && document.forms[s_form].elements[s_element])
	{
		document.forms[s_form].elements[s_element].value = s_value;
	}
}

// enable all elements in a form.
function form_enable(o_form)
{
	for (var i = 0; i < o_form.elements.length; i++)
	{
		o_form.elements[i].disabled = false;
	}
}

// does a group of check boxes contain a particular checked value?
function form_in_checkboxes(o_element, m_value)
{
	for (var i = 0; i < o_element.length; i++)
	{
		if (o_element[i].checked && o_element[i].value == m_value)
		{
			return true;
		}
	}

	return false;
}

// get the selected value from a group of radio buttons.
function form_radio_get(o_element)
{
	for (var i = 0; i < o_element.length; i++)
	{
		if (o_element[i].checked)
		{
			return o_element[i].value;
		}
	}

	return false;
}

// populate a select list, and select the current option.
function form_select_populate(o_element, a_options, m_selected)
{
	var select_title = o_element.options[0];
	o_element.length = 0;
	o_element.options[0] = select_title;

	for (var i = 0; i < a_options.length; i++) {
		var m_value = a_options[i]['value'];

		// set new option.
		o_element.options[i + 1] = new Option(a_options[i]['description'], m_value);

		// select current project.
		if (m_value == m_selected) {
			o_element.options[i + 1].selected = true;
		}
	}
}

// submit a form, if it exists.
function form_submit(s_form)
{
	if (is_empty(s_form))
	{
		s_form = 0;
	}

	if (document.forms[s_form])
	{
		document.forms[s_form].submit();
	}
}



	/**
 * SWFObject v1.5: Flash Player detection and embed - http://blog.deconcept.com/swfobject/
 *
 * SWFObject is (c) 2007 Geoff Stearns and is released under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 *
 */
if(typeof deconcept=="undefined"){var deconcept=new Object();}if(typeof deconcept.util=="undefined"){deconcept.util=new Object();}if(typeof deconcept.SWFObjectUtil=="undefined"){deconcept.SWFObjectUtil=new Object();}deconcept.SWFObject=function(_1,id,w,h,_5,c,_7,_8,_9,_a){if(!document.getElementById){return;}this.DETECT_KEY=_a?_a:"detectflash";this.skipDetect=deconcept.util.getRequestParameter(this.DETECT_KEY);this.params=new Object();this.variables=new Object();this.attributes=new Array();if(_1){this.setAttribute("swf",_1);}if(id){this.setAttribute("id",id);}if(w){this.setAttribute("width",w);}if(h){this.setAttribute("height",h);}if(_5){this.setAttribute("version",new deconcept.PlayerVersion(_5.toString().split(".")));}this.installedVer=deconcept.SWFObjectUtil.getPlayerVersion();if(!window.opera&&document.all&&this.installedVer.major>7){deconcept.SWFObject.doPrepUnload=true;}if(c){this.addParam("bgcolor",c);}var q=_7?_7:"high";this.addParam("quality",q);this.setAttribute("useExpressInstall",false);this.setAttribute("doExpressInstall",false);var _c=(_8)?_8:window.location;this.setAttribute("xiRedirectUrl",_c);this.setAttribute("redirectUrl","");if(_9){this.setAttribute("redirectUrl",_9);}};deconcept.SWFObject.prototype={useExpressInstall:function(_d){this.xiSWFPath=!_d?"expressinstall.swf":_d;this.setAttribute("useExpressInstall",true);},setAttribute:function(_e,_f){this.attributes[_e]=_f;},getAttribute:function(_10){return this.attributes[_10];},addParam:function(_11,_12){this.params[_11]=_12;},getParams:function(){return this.params;},addVariable:function(_13,_14){this.variables[_13]=_14;},getVariable:function(_15){return this.variables[_15];},getVariables:function(){return this.variables;},getVariablePairs:function(){var _16=new Array();var key;var _18=this.getVariables();for(key in _18){_16[_16.length]=key+"="+_18[key];}return _16;},getSWFHTML:function(){var _19="";if(navigator.plugins&&navigator.mimeTypes&&navigator.mimeTypes.length){if(this.getAttribute("doExpressInstall")){this.addVariable("MMplayerType","PlugIn");this.setAttribute("swf",this.xiSWFPath);}_19="<embed type=\"application/x-shockwave-flash\" src=\""+this.getAttribute("swf")+"\" width=\""+this.getAttribute("width")+"\" height=\""+this.getAttribute("height")+"\" style=\""+this.getAttribute("style")+"\"";_19+=" id=\""+this.getAttribute("id")+"\" name=\""+this.getAttribute("id")+"\" ";var _1a=this.getParams();for(var key in _1a){_19+=[key]+"=\""+_1a[key]+"\" ";}var _1c=this.getVariablePairs().join("&");if(_1c.length>0){_19+="flashvars=\""+_1c+"\"";}_19+="/>";}else{if(this.getAttribute("doExpressInstall")){this.addVariable("MMplayerType","ActiveX");this.setAttribute("swf",this.xiSWFPath);}_19="<object id=\""+this.getAttribute("id")+"\" classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" width=\""+this.getAttribute("width")+"\" height=\""+this.getAttribute("height")+"\" style=\""+this.getAttribute("style")+"\">";_19+="<param name=\"movie\" value=\""+this.getAttribute("swf")+"\" />";var _1d=this.getParams();for(var key in _1d){_19+="<param name=\""+key+"\" value=\""+_1d[key]+"\" />";}var _1f=this.getVariablePairs().join("&");if(_1f.length>0){_19+="<param name=\"flashvars\" value=\""+_1f+"\" />";}_19+="</object>";}return _19;},write:function(_20){if(this.getAttribute("useExpressInstall")){var _21=new deconcept.PlayerVersion([6,0,65]);if(this.installedVer.versionIsValid(_21)&&!this.installedVer.versionIsValid(this.getAttribute("version"))){this.setAttribute("doExpressInstall",true);this.addVariable("MMredirectURL",escape(this.getAttribute("xiRedirectUrl")));document.title=document.title.slice(0,47)+" - Flash Player Installation";this.addVariable("MMdoctitle",document.title);}}if(this.skipDetect||this.getAttribute("doExpressInstall")||this.installedVer.versionIsValid(this.getAttribute("version"))){var n=(typeof _20=="string")?document.getElementById(_20):_20;n.innerHTML=this.getSWFHTML();return true;}else{if(this.getAttribute("redirectUrl")!=""){document.location.replace(this.getAttribute("redirectUrl"));}}return false;}};deconcept.SWFObjectUtil.getPlayerVersion=function(){var _23=new deconcept.PlayerVersion([0,0,0]);if(navigator.plugins&&navigator.mimeTypes.length){var x=navigator.plugins["Shockwave Flash"];if(x&&x.description){_23=new deconcept.PlayerVersion(x.description.replace(/([a-zA-Z]|\s)+/,"").replace(/(\s+r|\s+b[0-9]+)/,".").split("."));}}else{if(navigator.userAgent&&navigator.userAgent.indexOf("Windows CE")>=0){var axo=1;var _26=3;while(axo){try{_26++;axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash."+_26);_23=new deconcept.PlayerVersion([_26,0,0]);}catch(e){axo=null;}}}else{try{var axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");}catch(e){try{var axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");_23=new deconcept.PlayerVersion([6,0,21]);axo.AllowScriptAccess="always";}catch(e){if(_23.major==6){return _23;}}try{axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash");}catch(e){}}if(axo!=null){_23=new deconcept.PlayerVersion(axo.GetVariable("$version").split(" ")[1].split(","));}}}return _23;};deconcept.PlayerVersion=function(_29){this.major=_29[0]!=null?parseInt(_29[0]):0;this.minor=_29[1]!=null?parseInt(_29[1]):0;this.rev=_29[2]!=null?parseInt(_29[2]):0;};deconcept.PlayerVersion.prototype.versionIsValid=function(fv){if(this.major<fv.major){return false;}if(this.major>fv.major){return true;}if(this.minor<fv.minor){return false;}if(this.minor>fv.minor){return true;}if(this.rev<fv.rev){return false;}return true;};deconcept.util={getRequestParameter:function(_2b){var q=document.location.search||document.location.hash;if(_2b==null){return q;}if(q){var _2d=q.substring(1).split("&");for(var i=0;i<_2d.length;i++){if(_2d[i].substring(0,_2d[i].indexOf("="))==_2b){return _2d[i].substring((_2d[i].indexOf("=")+1));}}}return "";}};deconcept.SWFObjectUtil.cleanupSWFs=function(){var _2f=document.getElementsByTagName("OBJECT");for(var i=_2f.length-1;i>=0;i--){_2f[i].style.display="none";for(var x in _2f[i]){if(typeof _2f[i][x]=="function"){_2f[i][x]=function(){};}}}};if(deconcept.SWFObject.doPrepUnload){if(!deconcept.unloadSet){deconcept.SWFObjectUtil.prepUnload=function(){__flash_unloadHandler=function(){};__flash_savedUnloadHandler=function(){};window.attachEvent("onunload",deconcept.SWFObjectUtil.cleanupSWFs);};window.attachEvent("onbeforeunload",deconcept.SWFObjectUtil.prepUnload);deconcept.unloadSet=true;}}if(!document.getElementById&&document.all){document.getElementById=function(id){return document.all[id];};}var getQueryParamValue=deconcept.util.getRequestParameter;var FlashObject=deconcept.SWFObject;var SWFObject=deconcept.SWFObject;

	//	toggle an element's display style between block and none.
	//
	function element_toggle_display(s_id)
	{
		element = document.getElementById(s_id);

		if (element.style.display != 'block')
		{
			element.style.display = 'block';
		}
		else
		{
			element.style.display = 'none';
		}
	}

	preload_rollovers('input');