ycn = window.ycnui || {};
ycn.Common = new function () {
	this.lTrim = function (i) {
		return i.replace(/^\s*/, "");
	};
	this.rTrim = function (i) {
		return i.replace(/\s*$/, "");
	};
	this.trim = function (i) {
		return this.rTrim(this.lTrim(i));
	};
	this.getEl = function (i) {
		if (!document.getElementById) {
			return false;
		}
		if (typeof i === "string") {
			return document.getElementById(i);
		} else {
			return i;
		}
	};	
	this.getElByClassName = function (t, n, s, el) {
		var el = (el) ? el : document;
		var itm = el.getElementsByTagName(t);
		var num = 1;
		for (i = 0; i < itm.length; i++) {
			if (itm[i].className === n && s === num) {
				return itm[i];
			} else {
				if (itm[i].className === n) {
					num++;
				}
			}
		}
		return false;
	};
	this.isIE6 = function () {
		return navigator.userAgent.search("MSIE") > 0 && navigator.userAgent.search("6") > 0;
	};
	this.isIE = function () {
		return navigator.userAgent.search("MSIE") > 0;
	};
	this.isOpera = function () {
		return navigator.userAgent.indexOf("Opera") > -1;
	};
	this.isMoz = function () {
		return navigator.userAgent.indexOf("Mozilla/5.") > -1;
	};
	this.setCookie = function (cn, cv, d, dm) {
		var now = new Date();
		var expire = new Date();
		if (d == null || d == 0) {
			d = 1;
		}
		expire.setTime(now.getTime() + 3600000 * 24 * d);
		document.cookie = cn + "=" + escape(cv) + ";expires=" + expire.toGMTString() + ";domain=" + dm;
	};
	this.deleteCookie = function (cn, dm) {
		if (getCookie(name)) {
			document.cookie = cn + "=" + ((domain) ? "; domain=" + dm : "") + "; expires=Thu, 01-Jan-70 00:00:01 GMT";
		}
	};
	this.getCookie = function (cn) {
		var dc = document.cookie;
		var prefix = cn + "=";
		var begin = dc.indexOf("; " + prefix);
		if (begin == -1) {
			begin = dc.indexOf(prefix);
			if (begin != 0) {
				return null;
			}
		} else {
			begin += 2;
		}
		var end = document.cookie.indexOf(";", begin);
		if (end == -1) {
			end = dc.length;
		}
		return unescape(dc.substring(begin + prefix.length, end));
	};
};
ycn = window.ycn || {}; 
ycn.Event = {addEvent:function (obj, evType, fn) {
	if (obj.addEventListener) {
		obj.addEventListener(evType, fn, false);
		return true;
	} else {
		if (obj.attachEvent) {
			var r = obj.attachEvent("on" + evType, fn);
			ycn.EventCache.add(obj, evType, fn);
			return r;
		} else {
			return false;
		}
	}
}, removeEvent:function (obj, evType, fn) {
	if (obj.removeEventListener) {
		obj.removeEventListener(evType, fn, false);
		return true;
	} else {
		if (obj.detachEvent) {
			var r = obj.detachEvent("on" + evType, fn);
			return r;
		} else {
			return false;
		}
	}
}, getEvent:function (e) {
	e = window.event || e;
	e.leftButton = false;
	if (e.srcElement == null && e.target != null) {
		e.srcElement = e.target;
		e.leftButton = (e.button == 1);
	} else {
		if (e.target == null && e.srcElement != null) {
			e.target = e.srcElement;
			e.leftButton = (e.button == 0);
		} else {
			if (e.srcElement != null && e.target != null) {
			} else {
				return null;
			}
		}
	}
	if (document.body && document.documentElement) {
		e.mouseX = e.pageX || (e.clientX + Math.max(document.body.scrollLeft, document.documentElement.scrollLeft));
		e.mouseY = e.pageY || (e.clientY + Math.max(document.body.scrollTop, document.documentElement.scrollTop));
	} else {
		e.mouseX = -1;
		e.mouseY = -1;
	}
	return e;
}, stopEvent:function (e) {
	if (e && e.cancelBubble != null) {
		e.cancelBubble = true;
		e.returnValue = false;
	}
	if (e && e.stopPropagation && e.preventDefault) {
		e.stopPropagation();
		e.preventDefault();
	}
	return false;
}};
ycn.EventCache = function () {
	var listEvents = [];
	return {listEvents:listEvents, add:function (node, sEventName, fHandler, bCapture) {
		listEvents[listEvents.length] = arguments;
	}, flush:function () {
		var i, item;
		for (i = listEvents.length - 1; i >= 0; i = i - 1) {
			item = listEvents[i];
			if (item[0].removeEventListener) {
				item[0].removeEventListener(item[1], item[2], item[3]);
			}
			if (item[1].substring(0, 2) != "on") {
				item[1] = "on" + item[1];
			}
			if (item[0].detachEvent) {
				item[0].detachEvent(item[1], item[2]);
			}
			item[0][item[1]] = null;
		}
	}};
}();
/*ycn.Event.addEvent(window,"unload",ycn.EventCache.flush)*/
function error_handler(a, b, c) {
	window.status = (c + "\n" + b + "\n\n" + a + "\n\n" + error_handler.caller);
	return true;
}
slidePlayer.prototype.container = null;
slidePlayer.prototype.imageList = null;
slidePlayer.prototype.width = 0;
slidePlayer.prototype.height = 0;
slidePlayer.prototype.currentNum = 1;
slidePlayer.prototype.playTimer = null;
slidePlayer.prototype.loopTimer;
slidePlayer.prototype.intervalTime = 50;
slidePlayer.prototype.waiting = 5000;
slidePlayer.prototype.isPause = true;
slidePlayer.prototype.isPlaying = false;
slidePlayer.prototype.endPlay = new Function;
slidePlayer.prototype.initial = new Function;
slidePlayer.prototype.getCurrnetNum = function () {
	return this.currentNum;
};
slidePlayer.prototype.goToPlay = function (n) {
	var o = this;
	if (o.playTimer || o.playTimer != null) {
		window.clearInterval(o.playTimer);
	}
	if (o.loopTimer) {
		window.clearTimeout(o.loopTimer);
	}
	var d;	
	for (var i = 0; i < o.imageList.length; i++) {
		o.imageList[i].style.display = "none";
		if (o.imageList[i].parentNode && o.imageList[i].parentNode.tagName.toLowerCase() == "a") {
			d = o.imageList[i].parentNode;
		} else {
			d = o.imageList[i];
		}
		d.style.zIndex = "1";
		d.style.filter = "alpha(opacity=100)";
		d.style.MozOpacity = 1;
		d.style.opacity = 1;
	}
	o.isPlaying = false;
	o.imageList[o.currentNum - 1].style.display = "block";
	o.play(n);
};
slidePlayer.prototype.play = function (num) {
	var o = this;
	if (o.isPlaying) {
		return;
	}
	if (num) {
		var nn = num;
		var on = o.currentNum;
	} else {
		var nn = o.currentNum + 1;
		var on = o.currentNum;
	}
	if (nn > o.imageList.length) {
		nn = 1;
	}
//if(on==nn){o.loopTimer=window.setTimeout(function(){o.play();},o.waiting);return;}
	if (o.playTimer || o.playTimer != null) {
		window.clearInterval(o.playTimer);
	}
	if (o.loopTimer) {
		window.clearTimeout(o.loopTimer);
	}
	var n_el = (o.imageList[nn - 1].parentNode && o.imageList[nn - 1].parentNode.tagName.toLowerCase() == "a") ? o.imageList[nn - 1].parentNode : o.imageList[nn - 1];
	var o_el = (o.imageList[on - 1].parentNode && o.imageList[on - 1].parentNode.tagName.toLowerCase() == "a") ? o.imageList[on - 1].parentNode : o.imageList[on - 1];
	n_el.style.zIndex = 1;
	o_el.style.zIndex = 10;
	o_el.style.filter = "alpha(opacity=100)";
	o_el.style.MozOpacity = 1;
	o_el.style.opacity = 1;
	n_el.style.filter = "alpha(opacity=100)";
	n_el.style.MozOpacity = 1;
	n_el.style.opacity = 1;
	o.imageList[nn - 1].style.display = "block";
	o.isPlaying = true;
	var n = 100;
	var _is_start = false;
	var anim = function () {
		if (o.isPause) {
			o_el.style.filter = "alpha(opacity=100)";
			o_el.style.MozOpacity = 1;
			o_el.style.opacity = 1;
			return;
		}
		n -= 20;
		_is_start = true;
		if (n <= 0) {
			o_el.style.filter = "alpha(opacity=0)";
			o_el.style.MozOpacity = 0;
			o_el.style.opacity = 0;
			o_el.style.zIndex = 1;
			o.imageList[on - 1].style.display = "none";
			o.isPlaying = false;
			o.currentNum = nn;
			o.loopTimer = window.setTimeout(function () {
				o.play();
			}, o.waiting);
			window.clearInterval(o.playTimer);
			o.endPlay();
		} else {
			o_el.style.filter = "alpha(opacity=" + n + ")";
			o_el.style.MozOpacity = n / 100;
			o_el.style.opacity = n / 100;
		}
	};
	o.playTimer = window.setInterval(anim, o.intervalTime);
};
function slidePlayer(con_id) {
	var o = this;
	var cont = ycn.Common.getEl(con_id);
	if (!cont) {
		return;
	}
	var imgs = cont.getElementsByTagName("img");
	if (!imgs || imgs.length <= 0) {
		return;
	}
	o.container = cont;
	o.imageList = imgs;
	var img = new Image();
	
//hongbo(at)amazon.com modified; randomize AD start
	try {
		var posArr = new Array();
		for (var i = 0, x = 0; i < imgs.length; i++) {
			posArr[i] = parseInt(imgs[i].src.split("?")[1]);
			posArr[i] = isNaN(posArr[i]) ? 0 : posArr[i];
			x += posArr[i];
		}
		var intRnd = Math.round(Math.random() * x) % x + 1;
		random_no = 0;
		for (i = 0; i < posArr.length; i++) {
			if (intRnd - posArr[i] <= 0) {
				random_no = i;
				break;
			} else {
				intRnd = intRnd - posArr[i];
			}
		}		
		//var temp = imgs[0].src;
		//imgs[0].src = imgs[random_no].src;
		//imgs[random_no].src = temp;
		//temp = imgs[0].parentNode.href;
		//imgs[0].parentNode.href = imgs[random_no].parentNode.href;
		//imgs[random_no].parentNode.href = temp;
				
		//配置导航幻灯图片的链接		
			loadXML = function(fileRoute){      //兼容IE、firefox、Chrome
		         xmlDoc=null;
			     if (window.ActiveXObject){
			        xmlDoc = new ActiveXObject('Msxml2.DOMDocument');
			        xmlDoc.async=false;
			        xmlDoc.load(fileRoute);
			    }
			    else if (document.implementation && document.implementation.createDocument){
			        var xmlhttp = new window.XMLHttpRequest();
			        xmlhttp.open("GET",fileRoute,false);
			        xmlhttp.send(null);
			        var xmlDoc = xmlhttp.responseXML.documentElement;
			    }
			    else {xmlDoc=null;}
			    return xmlDoc;
			}

			try {
//				xmlDoc.async = false;														
				if(location.href.indexOf("toBookEdu.do") > 0)	
				{
					var xmlDoc=loadXML("/resource/images/education/link_education.xml");
//					xmlDoc.load("/resource/images/education/link_education.xml");
					var x=xmlDoc.getElementsByTagName("url_education");					
					var ListNum = x.length;	
					for (k = 0; k < ListNum; k++) 
					{
						imgs[k].parentNode.href=x[k].childNodes[0].nodeValue;
					}										
				}
				else if(location.href.indexOf("toBookAcademic.do") > 0)
				{
					var xmlDoc=loadXML("/resource/images/academic/link_academic.xml");
//					xmlDoc.load("/resource/images/academic/link_academic.xml");
					var x=xmlDoc.getElementsByTagName("url_academic");					
					var ListNum = x.length;	
					for (k = 0; k < ListNum; k++) 
					{
						imgs[k].parentNode.href=x[k].childNodes[0].nodeValue;
					}						
				}
				else if(location.href.indexOf("toBookPublic.do") > 0)
				{
					var xmlDoc=loadXML("/resource/images/public/link_public.xml");
//					xmlDoc.load("/resource/images/public/link_public.xml");
					var x=xmlDoc.getElementsByTagName("url_public");					
					var ListNum = x.length;	
					for (k = 0; k < ListNum; k++) 
					{
						imgs[k].parentNode.href=x[k].childNodes[0].nodeValue;
					}						
				}	
			} 
			catch (e) {
				alert(e.message)
			}
	
		document.getElementById("slide-imgs").style.visibility = "visible";
//alert("要显示"+random_no)
	}
	catch (e) {
		document.getElementById("slide-imgs").style.visibility = "visible";
	}

//hongbo(at)amazon.com modified; randomize AD  end
	img.src = imgs[0].src;
	o.width = img.width;
	o.height = img.height;
	o.container.style.width = o.width + "px";
	o.container.style.height = o.height + "px";
	imgs[0].style.display = "block";
	o.loopTimer = window.setTimeout(function () {
		o.play();
	}, o.waiting);
	o.initial();
}
function init_slide() {
	if (!document.getElementById("slide-imgs")) {
		return;
	}
	document.getElementById("slide-imgs").style.visibility = "hidden";
//alert(document.getElementById('slide-imgs').firstChild.innerHTML)
	var obj = new slidePlayer("slide-imgs"), slidenum, t_num, li;
	if (obj && ycn.Common.getElByClassName("div", "slide_addone", 1)) {
		ycn.Common.getEl("slideContent").innerHTML = ycn.Common.getElByClassName("div", "slide_addone", 1).innerHTML;
	}
	slidenum = ycn.Common.getEl("slidenum");
	if (obj && slidenum) {
		t_num = "<ul class=\"slideNumber\"><li class=\"curSlideNumber\">1</li>";
		for (var i = 1; i < obj.imageList.length; i++) {
			t_num += "<li>" + (i + 1) + "</li>";
		}
		t_num += "</ul>";
		slidenum.innerHTML = t_num;
		li = slidenum.getElementsByTagName("li");
		for (var j = 0; j < li.length; j++) {
			ycn.Event.addEvent(li[j], "mouseover", function (e) {
				var el = (navigator.userAgent.toLowerCase().indexOf("msie") > 0) ? e.srcElement : this;
				if (obj.currentNum == parseInt(el.innerHTML)) {
					return;
				}
				for (var i = 0; i < li.length; i++) {
					li[i].className = "";
				}
				el.className = "curSlideNumber";
				obj.goToPlay(parseInt(el.innerHTML));
			});
		}
	}
	obj.endPlay = function () {
		if (ycn.Common.getElByClassName("div", "slide_addone", obj.getCurrnetNum())) {
			ycn.Common.getEl("slideContent").innerHTML = ycn.Common.getElByClassName("div", "slide_addone", obj.getCurrnetNum()).innerHTML;
		}
		if (li) {
			for (var i = 0; i < li.length; i++) {
				li[i].className = "";
			}
			li[obj.getCurrnetNum() - 1].className = "curSlideNumber";
		}
	};
	li = slidenum.getElementsByTagName("li");
	obj.isPause = false;
//ycn.Event.addEvent(obj.container,'load',function(){obj.isPause = true;});
//ycn.Event.addEvent(obj.container,'mouseover',function(){obj.isPause = true;});
//ycn.Event.addEvent(obj.container,'mouseout',function(){obj.isPause = false;});
}