var CreatedOKLodop7766=null;
var LodopSetup = true;
function getLodop(oShowPrint,oOBJECT, oEMBED) {
/**************************
  本函数根据浏览器类型决定采用哪个页面元素作为Lodop对象：
  IE系列、IE内核系列的浏览器采用oOBJECT，
  其它浏览器(Firefox系列、Chrome系列、Opera系列、Safari系列等)采用oEMBED,
  如果页面没有相关对象元素，则新建一个或使用上次那个,避免重复生成。
  64位浏览器指向64位的安装程序install_lodop64.exe。
**************************/
    LodopSetup = true;
    oShowPrint = oShowPrint || document.documentElement;
    var strHtmInstall="<br><font color='#FF00FF'>打印控件未安装!点击这里<a href='"+GetPrePath()+"/attach/install_lodop32.zip' target='_self'>执行安装</a>,安装后请刷新页面或重新进入。</font>";
    var strHtmUpdate = "<br><font color='#FF00FF'>打印控件需要升级!点击这里<a href='" + GetPrePath() + "/attach/install_lodop32.zip' target='_self'>执行升级</a>,升级后请重新进入。</font>";
    var strHtm64_Install = "<br><font color='#FF00FF'>打印控件未安装!点击这里<a href='" + GetPrePath() + "/attach/install_lodop64.zip' target='_self'>执行安装</a>,安装后请刷新页面或重新进入。</font>";
    var strHtm64_Update = "<br><font color='#FF00FF'>打印控件需要升级!点击这里<a href='" + GetPrePath() + "/attach/install_lodop64.zip' target='_self'>执行升级</a>,升级后请重新进入。</font>";
        var strHtmFireFox="<br><br><font color='#FF00FF'>（注意：如曾安装过Lodop旧版附件npActiveXPLugin,请在【工具】->【附加组件】->【扩展】中先卸它）</font>";
        var strHtmChrome="<br><br><font color='#FF00FF'>(如果此前正常，仅因浏览器升级或重安装而出问题，需重新执行以上安装）</font>";
        var LODOP;		
	try{	
	     //=====判断浏览器类型:===============
	     var isIE	 = (navigator.userAgent.indexOf('MSIE')>=0) || (navigator.userAgent.indexOf('Trident')>=0);
	     var is64IE  = isIE && (navigator.userAgent.indexOf('x64')>=0);
	     //=====如果页面有Lodop就直接使用，没有则新建:==========
	     if (oOBJECT!=undefined || oEMBED!=undefined) { 
               	 if (isIE) 
	             LODOP=oOBJECT; 
	         else 
	             LODOP=oEMBED;
	     } else { 
		 if (CreatedOKLodop7766==null){
          	     LODOP=document.createElement("object"); 
		     LODOP.setAttribute("width",0); 
                     LODOP.setAttribute("height",0); 
		     LODOP.setAttribute("style","position:absolute;left:0px;top:-100px;width:0px;height:0px;");  		     
                     if (isIE) LODOP.setAttribute("classid","clsid:2105C259-1E0C-4534-8141-A753534CB4CA"); 
		     else LODOP.setAttribute("type","application/x-print-lodop");
		     document.documentElement.appendChild(LODOP); 
	             CreatedOKLodop7766=LODOP;		     
 	         } else 
                     LODOP=CreatedOKLodop7766;
	     };
	    //=====判断Lodop插件是否安装过，没有安装或版本过低就提示下载安装:==========
	     if ((LODOP == null) || (typeof (LODOP.VERSION) == "undefined")) {
	             LodopSetup = false;
	             if (navigator.userAgent.indexOf('Chrome')>=0)
	                 oShowPrint.innerHTML = strHtmChrome + oShowPrint.innerHTML;
	             if (navigator.userAgent.indexOf('Firefox')>=0)
	                 oShowPrint.innerHTML = strHtmFireFox + oShowPrint.innerHTML;
	             if (is64IE) document.write(strHtm64_Install); else
	             if (isIE)   document.write(strHtmInstall);    else
	                 oShowPrint.innerHTML = strHtmInstall + oShowPrint.innerHTML;
	             return LODOP;
	     } else 
	         if (LODOP.VERSION < "6.1.9.3") {
	             LodopSetup = false;
	             if (is64IE) document.write(strHtm64_Update); else
	             if (isIE) document.write(strHtmUpdate); else
	                 oShowPrint.innerHTML = strHtmUpdate + oShowPrint.innerHTML;
	    	     return LODOP;
	     };
	     //=====如下空白位置适合调用统一功能(如注册码、语言选择等):====	     
	     LODOP.SET_LICENSES("广州交通信息化建设投资营运有限公司", "864607380837275858895969799998", "", "");
	     //============================================================	     
	     return LODOP; 
	} catch(err) {
	     if (is64IE)	
	         oShowPrint.innerHTML = "Error:" + strHtm64_Install + oShowPrint.innerHTML; else
	         oShowPrint.innerHTML = "Error:" + strHtmInstall + oShowPrint.innerHTML;
	     return LODOP; 
	};
}