/* Merged Plone Javascript file
 * This file is dynamically assembled from separate parts.
 * Some of these parts have 3rd party licenses or copyright information attached
 * Such information is valid for that section,
 * not for the entire composite file
 * originating files are separated by - filename.js -
 */

/* - login.js - */
// http://www.siggraph.org/portal_javascripts/login.js?original=1
function cookiesEnabled(){var c="areYourCookiesEnabled=0";document.cookie=c;var dc=document.cookie;if(dc.indexOf(c)==-1) return 0;c="areYourCookiesEnabled=1";document.cookie=c;dc=document.cookie;if(dc.indexOf(c)==-1) return 0;document.cookie="areYourCookiesEnabled=; expires=Thu, 01-Jan-70 00:00:01 GMT";return 1}
function setLoginVars(user_name_id,alt_user_name_id,password_id,empty_password_id,js_enabled_id,cookies_enabled_id){if(js_enabled_id){el=document.getElementById(js_enabled_id);if(el){el.value=1}}
if(cookies_enabled_id){el=document.getElementById(cookies_enabled_id);if(el){el.value=cookiesEnabled()}}
if(user_name_id&&alt_user_name_id){user_name=document.getElementById(user_name_id)
alt_user_name=document.getElementById(alt_user_name_id)
if(user_name&&alt_user_name){alt_user_name.value=user_name.value}}
if(password_id&&empty_password_id){password=document.getElementById(password_id)
empty_password=document.getElementById(empty_password_id)
if(password&&empty_password){if(password.value.length==0){empty_password.value='1'} else{empty_password.value='0'}}}
return 1}
function showCookieMessage(msg_id){msg=document.getElementById(msg_id)
if(msg){if(cookiesEnabled()){msg.style.display='none'} else{msg.style.display='block'}}}
function showEnableCookiesMessage(){showCookieMessage('enable_cookies_message')}
registerPloneFunction(showEnableCookiesMessage);

/* - formsubmithelpers.js - */
// http://www.siggraph.org/portal_javascripts/formsubmithelpers.js?original=1
function inputSubmitOnClick(event){if(!event) var event=window.event;if(hasClassName(this,'submitting')){return confirm(window.form_resubmit_message)} else{addClassName(this,'submitting')}
return true}
function registerSubmitHandler(){var nodes=cssQuery('input[type=submit]');for(var i=0;i<nodes.length;i++){var node=nodes[i];if(!node.onclick){node.onclick=inputSubmitOnClick}}}
registerPloneFunction(registerSubmitHandler);

/* - reflection.js - */
// http://www.siggraph.org/portal_javascripts/reflection.js?original=1
document.getElementsByClassName=function(className){var children=document.getElementsByTagName('*')||document.all;var elements=new Array();for(var i=0;i<children.length;i++){var child=children[i];var classNames=child.className.split(' ');for(var j=0;j<classNames.length;j++){if(classNames[j]==className){elements.push(child);break}}}
return elements}
var Reflection={defaultHeight:0.5,defaultOpacity:0.5,add: function(image,options){Reflection.remove(image);doptions={"height":Reflection.defaultHeight,"opacity":Reflection.defaultOpacity}
if(options){for(var i in doptions){if(!options[i]){options[i]=doptions[i]}}} else{options=doptions}
try{var d=document.createElement('div');var p=image;var classes=p.className.split(' ');var newClasses='';for(j=0;j<classes.length;j++){if(classes[j]!="reflect"){if(newClasses){newClasses+=' '}
newClasses+=classes[j]}}
var reflectionHeight=Math.floor(p.height*options['height']);var divHeight=Math.floor(p.height*(1+options['height']));var reflectionWidth=p.width;if(document.all&&!window.opera){d.className=newClasses;p.className='reflected';d.style.cssText=p.style.cssText;p.style.cssText='vertical-align: bottom';var reflection=document.createElement('img');reflection.src=p.src;reflection.style.width=reflectionWidth+'px';reflection.style.marginBottom="-"+(p.height-reflectionHeight)+'px';reflection.style.filter='flipv progid:DXImageTransform.Microsoft.Alpha(opacity='+(options['opacity']*100)+', style=1, finishOpacity=0, startx=0, starty=0, finishx=0, finishy='+(options['height']*100)+')';d.style.width=reflectionWidth+'px';d.style.height=divHeight+'px';p.parentNode.replaceChild(d,p);d.appendChild(p);d.appendChild(reflection)} else{var canvas=document.createElement('canvas');if(canvas.getContext){d.className=newClasses;p.className='reflected';d.style.cssText=p.style.cssText;p.style.cssText='vertical-align: bottom';var context=canvas.getContext("2d");canvas.style.height=reflectionHeight+'px';canvas.style.width=reflectionWidth+'px';canvas.height=reflectionHeight;canvas.width=reflectionWidth;d.style.width=reflectionWidth+'px';d.style.height=divHeight+'px';p.parentNode.replaceChild(d,p);d.appendChild(p);d.appendChild(canvas);context.save();context.translate(0,image.height-1);context.scale(1,-1);context.drawImage(image,0,0,reflectionWidth,image.height);context.restore();context.globalCompositeOperation="destination-out";var gradient=context.createLinearGradient(0,0,0,reflectionHeight);gradient.addColorStop(1,"rgba(255, 255, 255, 1.0)");gradient.addColorStop(0,"rgba(255, 255, 255, "+(1-options['opacity'])+")");context.fillStyle=gradient;if(navigator.appVersion.indexOf('WebKit')!=-1){context.fill()} else{context.fillRect(0,0,reflectionWidth,reflectionHeight*2)}}}} catch(e){}},remove: function(image){if(image.className=="reflected"){image.className=image.parentNode.className;image.parentNode.parentNode.replaceChild(image,image.parentNode)}}}
function addReflections(){var rimages=document.getElementsByClassName('reflect');for(i=0;i<rimages.length;i++){var rheight=null;var ropacity=null;var classes=rimages[i].className.split(' ');for(j=0;j<classes.length;j++){if(classes[j].indexOf("rheight")==0){var rheight=classes[j].substring(7)/100} else if(classes[j].indexOf("ropacity")==0){var ropacity=classes[j].substring(8)/100}}
Reflection.add(rimages[i],{height:rheight,opacity:ropacity})}}
var previousOnload=window.onload;window.onload=function(){if(previousOnload) previousOnload();addReflections()}