/**
 * GLOBAL FUNCTIONS
 * Collection of generic JS functions used throughout site
 * Combines:
   global_functions.js
   swfobject.js v1.5
 *
 */

function ClearForm() {
	var FieldType;
	for (var i = 0; i < document.EditForm.length; i++) {
		FieldType = document.EditForm.elements[i].type
		if (FieldType == "text" || FieldType == "textarea") {
			document.EditForm.elements[i].value = ""
		}
		if (FieldType == "select-one") {
			document.EditForm.elements[i].options.selectedIndex = 0
		}
	}
}

function GetCookieArray() {
	if (document.cookie.length > 0) {
		var cookieRE = new RegExp("(?:^|;)[\\s]*([^=]*)=([^;]*)", "gi");
		var cookie, cookieArray = new Array();
		cookie = cookieRE.exec(unescape(document.cookie.toString()))
		while (cookie) {
			cookieArray[cookie[1]] = cookie[2];
			cookie = cookieRE.exec(unescape(document.cookie.toString()))
		}
		return cookieArray;
	}
	return "";
}

function GetCookie(name, key, encoded) {
	var value = '', cookies = ';' + document.cookie;
	if (cookies.length > 1) {
		if (key) {
			var cookieRE = new RegExp(';[\\s]*' + name + '=[^;]*' + key + '=([^&;]*)[^;]*', 'i')
		}
		else {
			var cookieRE = new RegExp(';[\\s]*' + name + '=([^;]*)', 'i');
		}
		value = cookieRE.exec(cookies);
		value = (value) ? value[1] : '';
		if (!encoded) {
			value = decode(value);
		}
	}
	return value;
}

var c_minutes = 1, c_hours = 60, c_days = 1440, c_years = 525600;
function SetCookie(name, value, duration, key) {
	var cookie = '';
	if (key) {
		cookie = GetCookie(name, '', true);
		if (cookie != '') {
			cookie = '&' + cookie;
			var keyRE = new RegExp('([\\s\\S]*?)(&' + key + '=)[^&]*([\\s\\S]*)', 'i');
			if (keyRE.test(cookie)) {
				if (value == '') {
					cookie = cookie.replace(keyRE, '$1$3');
				}
				else {
					cookie = cookie.replace(keyRE, '$1$2' + encode(value) + '$3');
				}
			}
			else if (value != '') {
				cookie += '&' + key + '=' + encode(value);
			}
			cookie = cookie.substr(1);
		}
		else if (value == '') {
				cookie = '';
		}
		else {
			cookie = key + '=' + encode(value);
		}
	}
	else if (value != '') {
		cookie = encode(value);
	}
	if (cookie == '') {
		duration = -1000;
	}
	cookie = name + '=' + cookie + ';path=/';

	if (duration) {
		var expireDate = new Date();
		expireDate.setMinutes(expireDate.getMinutes() + parseInt(duration));
		cookie = cookie + ';expires=' + expireDate.toGMTString();
	}
	document.cookie = cookie;
	return value;
}

function encode(value) {
	value = escape(value);
	value = value.replace(/@/gi, "%40");
	value = value.replace(/\*/gi, "%2A");
	value = value.replace(/_/gi, "%5F");
	value = value.replace(/-/gi, "%2D");
	value = value.replace(/\+/gi, "%2B");
	value = value.replace(/\./gi, "%2E");
	value = value.replace(/\//gi, "%2F");
	value = value.replace(/%20/gi, "+");
	return value;
}

function decode(value) {
	value = value.replace(/\+/g, " ");
	value = unescape(value);
	return value;
}

var agt = '';
if (navigator.userAgent) { agt=navigator.userAgent.toLowerCase(); }
var is_major = parseInt(navigator.appVersion); 
var is_minor = parseFloat(navigator.appVersion); 
var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) 
			&& (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) 
			&& (agt.indexOf('webtv')==-1)); 
var is_nav4 = (is_nav && (is_major == 4)); 
var is_nav4up = (is_nav && (is_major >= 4)); 
var is_navonly      = (is_nav && ((agt.indexOf(";nav") != -1) || 
					  (agt.indexOf("; nav") != -1)) ); 
var is_nav5 = (is_nav && (is_major == 5)); 
var is_nav5up = (is_nav && (is_major >= 5)); 
var is_ie   = (agt.indexOf("msie") != -1); 
var is_ie3  = (is_ie && (is_major < 4)); 
var is_ie4  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")==-1) ); 
var is_ie4up  = (is_ie  && (is_major >= 4)); 
var is_ie5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) ); 
var is_ie5up  = (is_ie  && !is_ie3 && !is_ie4); 

function clearDefault(el) {
	if ( el.defaultValue == el.value ) el.value = "";
}

function isBlank( str ) {
	if( str == null ) return true;
	for ( var i = 0; i < str.length; i++ ) {
		if( ( str.charAt(i) != " "  ) && ( str.charAt(i) != "\t" ) && ( str.charAt(i) != "\n" ) && ( str.charAt(i) != "\r" ) ) {
			return false;
		}
	}
	return true;
}

function valEmail( eml ) {
	var invalidChars = ' \\\'\"{[(/:,;)]}';var badChar = '';
	for ( i = 0; i < invalidChars.length; i++ ) {
		badChar = invalidChars.charAt(i);
		if (eml.indexOf( badChar, 0 ) > -1) return false;
	}
	var atPos = eml.indexOf( '@', 1 );
	if (atPos == -1) return false;
	if (eml.indexOf( '@', atPos + 1 ) > -1) return false;
	var perPos = eml.indexOf( '.', atPos );
	if ( perPos == -1 ) return false;
	if( perPos + 3 > eml.length) return false;
	return true;
}

var bgColor = '#ffffcc';
var olColor = '#ffcc33';

function validate( frm ) {
	if( isBlank(frm.ea.value) ) {
		alert( 'Email address required.' );
		frm.ea.style.borderColor=olColor;
		frm.ea.style.backgroundColor=bgColor;
		frm.ea.select();frm.ea.focus();return false;
	}
	if( valEmail(frm.ea.value) == false ) {
		alert( 'Please enter a valid email address.' );
		frm.ea.style.borderColor=olColor;
		frm.ea.style.backgroundColor=bgColor;
		frm.ea.select();frm.ea.focus();return false;
	}
	return true;
}

function toggleObj(id) {
	var e = document.getElementById(id);
	if(e.style.display == 'block') {
		e.style.display='none';
	} else {
		e.style.display='block';
	}
}
function hideObj() {
	var h;
	var a = hideObj.arguments;
	for( h = 0; h < a.length; h++ ) {
		document.getElementById(a[h]).style.display='none';
	}
}
function showObj() {
	var s;
	var a = showObj.arguments;
	for( s = 0; s < a.length; s++ ) {
		document.getElementById(a[s]).style.display='block';
	}
}

function hideDiv() {
	var hd;
	var a = hideDiv.arguments;
	for( hd = 0; hd < a.length; hd++ ) {
		document.getElementById(a[hd]).style.visibility='hidden';
	}
}
function showDiv() {
	var sd;
	var a = showDiv.arguments;
	for( sd = 0; sd < a.length; sd++ ) {
		document.getElementById(a[sd]).style.visibility='visible';
	}
}

function hideNav() {
	return hideDiv('sub_collections','sub_about','sub_media');
}

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];}
}

function chooseMedia( divOn, divOff ) {
	var lnkOn = document.getElementById(divOn); lnkOn.style.color='#CC9933';
	var lnkOff = document.getElementById(divOff); lnkOff.style.color='#000000';
}
							
function slideSwitch() {
	var $active = jQuery('#slideshow img.active');
	if ( $active.length == 0 ) $active = jQuery('#slideshow img:last');
	var $next =  $active.next().length ? $active.next()
		: jQuery('#slideshow img:first');
	$active.addClass('last-active');
	$next.css({opacity: 0.0})
		.addClass('active')
		.animate({opacity: 1.0}, 1000, function() {
			$active.removeClass('active last-active');
		}
	);
}


/**
 * 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;


/**
 * TYNT Publisher tools
 * added 20110430
 */
if(document.location.protocol=='http:'){
	var Tynt=Tynt||[];
	Tynt.push('b7_x_UCCqr4lv-adbi-bpO');
	Tynt.i={"ap":"Read more from Impact Visual Arts:"};
	(function(){var s=document.createElement('script');s.async="async";s.type="text/javascript";s.src='http://tcr.tynt.com/ti.js';var h=document.getElementsByTagName('script')[0];h.parentNode.insertBefore(s,h);})();
}
