/* Processed by Keyword Controller on Wed, 10 Mar 2010 16:00:31 */
// -----------------------------------------------------------------------------------
//
//	JSFixMsiePng v1.0
//	by Jeffrey Sambells <jeff@wecreate.com>
//	Copyright (c) 2006 Jeffrey Sambells (http://jeffreysambels.com)
//
//	For more information visit:
//	http://jeffreysambells.com/openprojects/JavaScript/JSFixMsiePng/
//
//	Licensed under the Creative Commons Attribution 2.5 License
//  http://creativecommons.org/licenses/by/2.5/
//	
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
//  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
//  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
//  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
//  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
//  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.//
//
// -----------------------------------------------------------------------------------

JSFixMsiePng = function() {
	if(!document.body.filters) return; //not MSIE
	if(7 <= parseFloat(navigator.appVersion.split("MSIE")[1])) return; // 7+ supports PNG

	//fix the inline images
	if(document.images) {
		var images = document.images;
		for(var i=0; i < images.length; i++) {
			if(!images[i].nodeName || images[i].nodeName.toUpperCase() != 'IMG') continue;
			if(images[i].src && images[i].src.substring(images[i].src.length-3, images[i].src.length).toLowerCase() !== 'png') continue;
			
			var strId = (images[i].id ? ' id="' + images[i].id + '"' : '' );
			var strClassName = (images[i].className ? 'class="' + images[i].className + '" ' : '');
			var strStyle = '';
			
			//events?
			
			if (images[i].align == 'left' || images[i].align == 'right') imgStyle += 'float:' + images[i].align + ';';
	
			//no whitespace nodes in IE
			if (images[i].parentElement && images[i].parentElement.href) strStyle += 'cursor:hand;';
			strStyle += 'display:inline-block;';
			if(images[i].style && images[i].style.cssText) strStyle += images[i].style.cssText;
	
			images[i].outerHTML = strXHTML = '<span ' 
			+ strId
			+ strClassName
			+ ' style="width:' + images[i].width + 'px; height:' + images[i].height + 'px;' 
			+ strStyle 
			+ ';filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\'' + images[i].src + '\', sizingMethod=\'scale\');"></span>'; 	
	
			i--; //we nuked an image so repeat the last loop key
		}
	}

	function addFilters(e) {
		if(
			e.style
			&& e.style.background
			&& !e.style.filter
		) {
			if(e.style.background.toLowerCase().match('.png')) {
				var src = e.style.backgroundImage;
				//TODO change to a match.
				src = src.replace('url(','');
				src = src.replace(')','');
				e.style.backgroundColor = 'transparent';
				e.style.backgroundImage = 'url()';
				e.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "',sizingMethod='"
				+ ( ( e.style.width && e.style.height ) ? 'scale' : 'crop' )
				+ "')";
			}
		}	
	}

	//fix the rules in the CSS style sheets
	//from <link> and <style>
	//http://msdn.microsoft.com/workshop/author/dhtml/reference/objects/obj_stylesheet.asp	
	if(document.styleSheets) {
		function processRules(styleSheet) {
			if(!styleSheet.rules) return;
			for (var i in styleSheet.rules) {
				addFilters(styleSheet.rules[i]);
			}
			//recurse for @import stylesheets...
			if(styleSheet.imports) {
				for (var j in styleSheet.imports) {
					processRules(styleSheet.imports[j]);
				}
			}
		}
		var styleSheets = document.styleSheets;
		for(var i=0; i < styleSheets.length; i++) {
			processRules(styleSheets[i]);
		}
	}
		
	//fix the local style="" backgrounds
	if(document.all) {
		var all = document.all;
		for(var i=0; i < all.length; i++) {
			addFilters(all[i]);
		}
	}
}
if(window.attachEvent) window.attachEvent("onload", JSFixMsiePng);