@charset "utf-8";
/*
FileName: ie6png_hack.css 引用方法：@import url(http://www.qidian.com/Style/ie6png_hack.css); //ie6 png图 hack 加在 css文件第一行，一个 html 只需要加一次。
 Author: shenjiandong
 time: 2014-5-19 11:00
 tel: 15221962603

runtimeStyle 修改css文件中的
currentStyle 取当前css文件中的

简化调用
*html .className {zoom:expression( function(sjd){sjd.style.zoom=1;if (sjd.className.search(" ie6bg")==-1){sjd.className += " ie6bg"}}(this));}

*html .className img {zoom:expression( function(sjd){sjd.style.zoom=1;if (sjd.className.search(" ie6img")==-1){sjd.className += " ie6img"}}(this));}

 */
*html a.ie6bg {cursor:pointer;}
*html .ie6bg .png_bg {position:absolute;z-index:1;clear:both;display:inline-block;overflow:hidden;left:0;top:0;width:100%;}
*html .ie6bg .png_bg .bgfilter {display:block;width:3000px;height:3000px;}
*html .ie6bg .png_ele {position:relative;z-index:2;clear:both;}

*html .png_input {position:relative;display:inline-block;overflow:hidden;zoom:expression(function(sjd){
	if(sjd.getElementsByTagName('input')[0].style.display=="none"){sjd.style.display="none"} else {sjd.style.display="inline-block"}
}(this))}
*html .png_input .bgfilter {position:absolute;left:0;top:0;z-index:2;display:block;overflow:hidden;width:2000px;height:2000px;}

/* IE6.0 PNG 背景图 */
*html .ie6bg {
	behavior:expression( function(sjd){
			if(document.readyState=="complete"){
				if (sjd.currentStyle.backgroundImage.indexOf(".png")>0){
					if(sjd.offsetWidth!="0" && sjd.offsetHeight!="0") {

						/*获取 PNG图片 信息 */
						sjd.setAttribute("oldbg",sjd.currentStyle.backgroundImage.replace('url("', '').replace('")', ''));
						sjd.setAttribute("method",(sjd.currentStyle.backgroundRepeat=="repeat" || sjd.currentStyle.backgroundRepeat=="repeat-x" || sjd.currentStyle.backgroundRepeat=="repeat-y")?"scale":"crop");
						sjd.setAttribute("bgX",sjd.currentStyle.backgroundPositionX);if(isNaN(sjd.bgX.replace("px","")) || sjd.bgX == "0px" || sjd.method == "scale"){sjd.bgX = 0};
						sjd.setAttribute("bgY",sjd.currentStyle.backgroundPositionY);if(isNaN(sjd.bgY.replace("px","")) || sjd.bgY == "0px" || sjd.method == "scale"){sjd.bgY = 0};
						var obj_tagName = sjd.tagName.toLocaleLowerCase();
						/* 样式修正 */
						if (sjd.currentStyle.position != "absolute"){sjd.style.position="relative"}
						if ( (sjd.currentStyle.display != "block" && sjd.currentStyle.display != "none") && sjd.currentStyle.styleFloat == "none"){sjd.style.display = "inline-block"}
						if ((sjd.currentStyle.width !="auto" && sjd.currentStyle.width !="100%" && sjd.offsetWidth!=0) || obj_tagName=="a" ){sjd.style.width=sjd.offsetWidth + "px"; }
						if(sjd.offsetHeight !=0){sjd.style.height=sjd.offsetHeight + "px"}

						var old_padding = sjd.currentStyle.padding;

						/*选择 hack 方式*/
						switch(obj_tagName){
							case  "table":
								alert("<"+obj_tagName+ " class='"+sjd.className+"'></"+obj_tagName+"> 不支持png hack");
								break;
							case  "tr":
								alert("<"+obj_tagName+ " class='"+sjd.className+"'></"+obj_tagName+"> 不支持png hack");
								break;
							case  "td":
								alert("<"+obj_tagName+ " class='"+sjd.className+"'></"+obj_tagName+"> 不支持png hack");
								break;
							case  "input":
							    sjd.style.padding=0;
								var input_margin = sjd.currentStyle.margin;
								sjd.style.padding = old_padding; sjd.style.clear = "both";sjd.style.zIndex="3";sjd.style.background ="none";sjd.style.margin ="0";sjd.className = sjd.className.replace(" ie6bg","")
								var input_html = sjd.outerHTML;
								sjd.outerHTML='<span class="png_input" style="width:'+sjd.offsetWidth+'px;height:'+sjd.offsetHeight+'px;margin:'+input_margin+' "><span class="bgfilter" style="margin: '+sjd.bgY+' 0 0 '+sjd.bgX+';filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod='+sjd.method+', src='+sjd.oldbg+')"></span>'+input_html+'</span>';
								break;
							case  "a":
								sjd.onmouseover=function(){
									this.style.cssText = this.style.cssText.replace("BACKGROUND-IMAGE: none","").replace("TEXT-INDENT: 0px","");
								}
								sjd.onmouseout=function(){
									var bgfilter = this.firstChild.firstChild;
									bgfilter.style.marginLeft = this.bgX;
									bgfilter.style.marginTop = this.bgY;
									bgfilter.style.filter='progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled="true", sizingMethod="'+this.method+'", src="'+this.oldbg+'")';
								}

							default:
								if( obj_tagName !="a" && ( (sjd.bgX==0 && sjd.bgY==0 ) && ( sjd.childNodes.length==0 || (sjd.childNodes.length==1 && sjd.childNodes[0].nodeName == "#text")) )){
									sjd.style.filter='progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled="true", sizingMethod="'+sjd.method+'", src="'+sjd.oldbg+'")';
								}else {
									sjd.style.padding=0;
									/*创建 hack标签*/

										if(obj_tagName=="div") {var sjdtagname = "div"} else {var sjdtagname = "span"}

										/*检查 hack标签 */
										var list = sjd.getElementsByTagName(sjdtagname);

										if(list.length ==0 || (list[0] && list[0].className!="png_bg")){
											/*创建*/
											var png_bg = document.createElement(sjdtagname);
											var png_ele = document.createElement(sjdtagname);
											var bgfilter = document.createElement(sjdtagname);
											png_bg.className ="png_bg";png_ele.className = "png_ele";bgfilter.className = "bgfilter";

												/*插入html*/
												var sjdhtml = sjd.innerHTML; sjd.innerHTML = "";
												sjd.appendChild(png_bg);png_bg.appendChild(bgfilter);sjd.appendChild(png_ele);
												if (sjdhtml != null){
													png_ele.innerHTML = sjdhtml;
													var iframes = png_ele.getElementsByTagName("iframe");
													for (i=0;i<iframes.length;i++){
														iframes[i].src = iframes[i].src ;
													}
												}
												/*设定 png_ele 的 style */
												png_ele.style.display = "block";
												png_ele.style.padding = old_padding;
												var pt= parseFloat(png_ele.style.paddingTop);
												var pb= parseFloat(png_ele.style.paddingBottom);
												if (isNaN(pt)){pt = 0}
												if (isNaN(pb)){pb = 0}
												png_ele.style.height = sjd.offsetHeight - pt - pb ;

											/*设定 png_bg 的 style */
											if(sjd.offsetHeight !=0){png_bg.style.height=sjd.offsetHeight + "px"}else {png_bg.style.height=sjd.currentStyle.height;}

											/* 设定 png显示 */
											if(sjd.method=="scale"){bgfilter.style.width="100%";bgfilter.style.height=sjd.currentStyle.height;}
											bgfilter.style.marginLeft = sjd.bgX;
											bgfilter.style.marginTop = sjd.bgY;
											bgfilter.style.filter='progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled="true", sizingMethod="'+sjd.method+'", src="'+sjd.oldbg+'")';
										}
								}
								break;
						}

						/* 删除png背景图 */
						sjd.style.backgroundImage ="none";
						/* 停止 expression 执行 */
						sjd.style.behavior="1";
					}
				}else {sjd.style.behavior="1";}
			}
		}(this)
		);
}
*html a.ie6bg:hover {
	filter:expression( function(sjd){

		if (sjd.currentStyle.backgroundImage.indexOf(".png")>0){
				/*获取 PNG图片 信息 */
				sjd.setAttribute("oldbg1",sjd.currentStyle.backgroundImage.replace('url("', '').replace('")', ''));
				sjd.setAttribute("method1",(sjd.currentStyle.backgroundRepeat=="repeat" || sjd.currentStyle.backgroundRepeat=="repeat-x" || sjd.currentStyle.backgroundRepeat=="repeat-y")?"scale":"crop");
				sjd.setAttribute("bgX1",sjd.currentStyle.backgroundPositionX);if(isNaN(sjd.bgX1.replace("px","")) || sjd.bgX1 == "0px" || sjd.method1 == "scale"){sjd.bgX = 0};
				sjd.setAttribute("bgY1",sjd.currentStyle.backgroundPositionY);if(isNaN(sjd.bgY1.replace("px","")) || sjd.bgY1 == "0px" || sjd.method1 == "scale"){sjd.bgY = 0};
				var bgfilter = sjd.firstChild.firstChild;
					bgfilter.style.margin = 0;bgfilter.style.padding = 0;
				if(sjd.method1=="scale"){bgfilter.style.width=sjd.offsetWidth+"px";bgfilter.style.height=sjd.offsetHeight+"px";}
				bgfilter.style.marginLeft = sjd.bgX1;
				bgfilter.style.marginTop = sjd.bgY1;
				if( sjd.oldbg1 != sjd.oldbg){
				bgfilter.style.filter='progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled="true", sizingMethod="'+sjd.method1+'", src="'+sjd.oldbg1+'")';
				}
				sjd.style.backgroundImage="none";
		}
	}(this));
}
/**/

/* IE6.0 PNG 前景图*/
*html .ie6img {
	behavior:expression( function(sjd){
		var imgsrc = sjd.src.toLowerCase();
		if (sjd.complete){
				if(imgsrc.indexOf(".png") > 0){
				sjd.runtimeStyle.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + sjd.src.replace('%23', '%2523').replace("'", "%27") + "', sizingMethod='image')";
				var width = sjd.offsetWidth;var height = sjd.offsetHeight;
				sjd.src = "http://wwwploy.qidian.com/Images/blank.gif";	sjd.width = width;sjd.height = height;
				sjd.style.behavior="";
			}else {sjd.style.behavior="1";}
		}
	}(this)
	);}