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)
	}
}