if(typeof HTMLElement!="undefined"&&!HTMLElement.prototype.insertAdjacentElement){HTMLElement.prototype.insertAdjacentElement=function(where,parsedNode)
{switch(where){case'beforeBegin':this.parentNode.insertBefore(parsedNode,this)
break;case'afterBegin':this.insertBefore(parsedNode,this.firstChild);break;case'beforeEnd':this.appendChild(parsedNode);break;case'afterEnd':if(this.nextSibling)
this.parentNode.insertBefore(parsedNode,this.nextSibling);else this.parentNode.appendChild(parsedNode);break;}}
HTMLElement.prototype.insertAdjacentHTML=function
(where,htmlStr)
{var r=this.ownerDocument.createRange();r.setStartBefore(this);var parsedHTML=r.createContextualFragment(htmlStr);this.insertAdjacentElement(where,parsedHTML)}
HTMLElement.prototype.insertAdjacentText=function
(where,txtStr)
{var parsedText=document.createTextNode(txtStr)
this.insertAdjacentElement(where,parsedText)}}
if(window.Node&&Node.prototype&&!Node.prototype.removeNode)
{Node.prototype.removeNode=function(removeChildren)
{var self=this;if(Boolean(removeChildren))
{return this.parentNode.removeChild(self);}
else
{var range=document.createRange();range.selectNodeContents(self);return this.parentNode.replaceChild(range.extractContents(),self);}}}
if(window.Node&&Node.prototype&&!Node.prototype.contains)
{Node.prototype.contains=function(arg){if(arg)
return!!(this.compareDocumentPosition(arg)&16)
else return false;}}
function addEvent(obj,type,fn){if(obj)
if(obj.attachEvent){obj["e"+type+fn]=fn;obj[type+fn]=function(){obj["e"+type+fn](window.event);}
obj.attachEvent("on"+type,obj[type+fn]);}else
{if(obj.addEventListener)
obj.addEventListener(type,fn,false);}}
function removeEvent(obj,type,fn){if(obj)
if(obj.detachEvent){obj.detachEvent("on"+type,obj[type+fn]);obj[type+fn]=null;}else
obj.removeEventListener(type,fn,false);}
function noBubble(e)
{if(e&&e.stopPropagation)
e.stopPropagation();else
window.event.cancelBubble=true;}
function getElement(aID)
{if(document.all)return document.all[aID];else return document.getElementById(aID);}
function getAttr(obj,attrName)
{var ret=null;if(obj.attributes.getNamedItem(attrName))
{ret=obj.attributes.getNamedItem(attrName).value;}
return ret;}