// JavaScript Document

var userAgent = navigator.userAgent.toLowerCase();
var is_opera = userAgent.indexOf('opera') != -1 && opera.version();
var is_moz = (navigator.product == 'Gecko') && userAgent.substr(userAgent.indexOf('firefox') + 8, 3);
var is_ie = (userAgent.indexOf('msie') != -1 && !is_opera) && userAgent.substr(userAgent.indexOf('msie') + 5, 3);
var is_mac = userAgent.indexOf('mac') != -1;
var InFloat = '';

function $(id) {
	return document.getElementById(id);
}

function parsetag(pid) {
	if(!$('content_'+pid)) {
		return;
	}
	var havetag = false;
	var tagfindarray = new Array();
	var tagarr = new Array();
	var str = $('content_'+pid).innerHTML.replace(/(^|>)([^<]+)(?=<|$)/ig, function($1, $2, $3, $4) {
		for(i in tagarray) {
			if(tagarray[i] && $3.indexOf(tagarray[i]) != -1) {
				havetag = true;
				if(!in_array(tagarray[i],tagarr)){
					tagarr[i] = tagarray[i];
					$3 = $3.replace(tagarray[i], '<h_ ' + i + '>');
					tmp = $3.replace(/&[a-z]*?<h_ \d+>[a-z]*?;/ig, '');
					if(tmp != $3) {
						$3 = tmp;
						break;
					} else {
						tagfindarray[i] = tagarray[i];
						tagarray[i] = '';
					}
				}	
			}
		}
		return $2 + $3;
    	});
		
    	if(havetag) {
			/*
			$('content_'+pid).innerHTML = str.replace(/<h_ (\d+)>/ig, function($1, $2) {
			return '<a href=\"http://baike.techweb.com.cn/search-default-'+ tagencarray[$2] +'\" target=\"_blank\"><span  href=\"http://baike.techweb.com.cn/api/baike_api.php?name=' + tagencarray[$2] + '\" onmousemove=\"tagshow(event)\" onmouseout=\"setTimeout(\'hideMenu()\',3000)\" class=\"t_tag\" style=\"color:#000\">' + tagfindarray[$2] + '</span></a>';
	    	});
			*/
			$('content_'+pid).innerHTML = str.replace(/<h_ (\d+)>/ig, function($1, $2) {
			return '<a href=\"http://baike.techweb.com.cn/search-default-'+ tagencarray[$2] +'\" target=\"_blank\"><span class=\"t_tag\" style=\"color:#000\">' + tagfindarray[$2] + '</span></a>';
	    	});
		
	}
}

function tagshow(event) {
	var obj = is_ie ? event.srcElement : event.target;	
	obj.id = !obj.id ? 'tag_' + Math.random() : obj.id;	
	ajaxmenu(event, obj.id, 0, '', 1, 3, 0);
	obj.onclick = null;
}
var jsmenu = new Array();
jsmenu['active'] = new Array();
jsmenu['timer'] = new Array();
jsmenu['iframe'] = new Array();

function ajaxmenu(e, ctrlid, timeout, func, cache, duration, ismenu, divclass, optionclass) {
	showloading();

	if(isUndefined(timeout)) timeout = 3000;
	if(isUndefined(func)) func = '';
	if(isUndefined(cache)) cache = 1;
	if(isUndefined(divclass)) divclass = 'popupmenu_popup';
	if(isUndefined(optionclass)) optionclass = 'popupmenu_option';
	if(isUndefined(ismenu)) ismenu = 1;
	if(isUndefined(duration)) duration = timeout > 0 ? 0 : 3;
	
	var div = $(ctrlid + '_menu');
	if(cache && div) {
		showMenu(ctrlid, e.type == 'click', 0, duration, timeout, 0, ctrlid, 400, 1);
		if(func) setTimeout(func + '(' + ctrlid + ')', timeout);
		doane(e);
	} else {
		if(!div) {
			div = document.createElement('div');
			div.ctrlid = ctrlid;
			div.id = ctrlid + '_menu';
			div.style.display = 'none';
			div.className = divclass;
			$('append_parent').appendChild(div);
		}

		var x = new Ajax('HTML');
		var href = !isUndefined($(ctrlid).href) ? $(ctrlid).href : $(ctrlid).attributes['href'].value;
		
		x.div = div;
		x.etype = e.type;
		x.optionclass = optionclass;
		x.duration = duration;
		x.timeout = timeout;
		x.get(href + '&inajax=1&ajaxmenuid='+ctrlid+'_menu', function(s) {
			evaled = false;
			if(s.indexOf('ajaxerror') != -1) {
				evalscript(s);
				evaled = true;
				if(!cache && duration != 3 && x.div.id) setTimeout('$("append_parent").removeChild($(\'' + x.div.id + '\'))', timeout);
			}
			
			if(!evaled && (typeof ajaxerror == 'undefined' || !ajaxerror)) {
				
				if(x.div) x.div.innerHTML = '<div class="' + x.optionclass + '">' + s + '</div>';
				showMenu(ctrlid, x.etype == 'click', 0, x.duration, x.timeout, 0, ctrlid, 400, 1);
				
				if(func) setTimeout(func + '("' + ctrlid + '")', x.timeout);
			}
			if(!evaled) evalscript(s);
			
			ajaxerror = null;
			
			showloading('none');
		});
		doane(e);
	}
}

function showloading(display, waiting) {
	var display = display ? display : 'none';
	var waiting = waiting ? waiting : '加载中...';
	$('ajaxwaitid').innerHTML = waiting;
	$('ajaxwaitid').style.display = display;
}

function isUndefined(variable) {
	return typeof variable == 'undefined' ? true : false;
}
var Ajaxs = new Array();
var AjaxStacks = new Array(0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
var attackevasive = isUndefined(attackevasive) ? 0 : attackevasive;
function Ajax(recvType, waitId) {
	for(var stackId = 0; stackId < AjaxStacks.length && AjaxStacks[stackId] != 0; stackId++);
	AjaxStacks[stackId] = 1;

	var aj = new Object();

	aj.loading = '加载中...';//public
	aj.recvType = recvType ? recvType : 'XML';//public
	aj.waitId = waitId ? $(waitId) : null;//public

	aj.resultHandle = null;//private
	aj.sendString = '';//private
	aj.targetUrl = '';//private
	aj.stackId = 0;
	aj.stackId = stackId;

	aj.setLoading = function(loading) {
		if(typeof loading !== 'undefined' && loading !== null) aj.loading = loading;
	}

	aj.setRecvType = function(recvtype) {
		aj.recvType = recvtype;
	}

	aj.setWaitId = function(waitid) {
		aj.waitId = typeof waitid == 'object' ? waitid : $(waitid);
	}

	aj.createXMLHttpRequest = function() {
		var request = false;
		if(window.XMLHttpRequest) {
			request = new XMLHttpRequest();
			if(request.overrideMimeType) {
				request.overrideMimeType('text/xml');
			}
		} else if(window.ActiveXObject) {
			var versions = ['Microsoft.XMLHTTP', 'MSXML.XMLHTTP', 'Microsoft.XMLHTTP', 'Msxml2.XMLHTTP.7.0', 'Msxml2.XMLHTTP.6.0', 'Msxml2.XMLHTTP.5.0', 'Msxml2.XMLHTTP.4.0', 'MSXML2.XMLHTTP.3.0', 'MSXML2.XMLHTTP'];
			for(var i=0; i<versions.length; i++) {
				try {
					request = new ActiveXObject(versions[i]);
					if(request) {
						return request;
					}
				} catch(e) {}
			}
		}
		return request;
	}

	aj.XMLHttpRequest = aj.createXMLHttpRequest();
	aj.showLoading = function() {
		if(aj.waitId && (aj.XMLHttpRequest.readyState != 4 || aj.XMLHttpRequest.status != 200)) {
			aj.waitId.style.display = '';
			aj.waitId.innerHTML = '<span><img src="' + IMGDIR + '/loading.gif"> ' + aj.loading + '</span>';
		}
	}

	aj.processHandle = function() {
		if(aj.XMLHttpRequest.readyState == 4 && aj.XMLHttpRequest.status == 200) {
			for(k in Ajaxs) {
				if(Ajaxs[k] == aj.targetUrl) {
					Ajaxs[k] = null;
				}
			}
			if(aj.waitId) {
				aj.waitId.style.display = 'none';
			}
			if(aj.recvType == 'HTML') {
				aj.resultHandle(aj.XMLHttpRequest.responseText, aj);
			} else if(aj.recvType == 'XML') {
				if(aj.XMLHttpRequest.responseXML.lastChild) {
					aj.resultHandle(aj.XMLHttpRequest.responseXML.lastChild.firstChild.nodeValue, aj);
				} else {
					if(ajaxdebug) {
						var error = mb_cutstr(aj.XMLHttpRequest.responseText.replace(/\r?\n/g, '\\n').replace(/"/g, '\\\"'), 200);
						aj.resultHandle('<root>ajaxerror<script type="text/javascript" reload="1">alert(\'Ajax Error: \\n' + error + '\');</script></root>', aj);
					}
				}
			}
			AjaxStacks[aj.stackId] = 0;
		}
	}

	aj.get = function(targetUrl, resultHandle) {
		setTimeout(function(){aj.showLoading()}, 250);
		if(in_array(targetUrl, Ajaxs)) {
			return false;
		} else {
			Ajaxs.push(targetUrl);
		}

		
		aj.targetUrl = targetUrl;
		aj.XMLHttpRequest.onreadystatechange = aj.processHandle;
		aj.resultHandle = resultHandle;
		var delay = attackevasive & 1 ? (aj.stackId + 1) * 1001 : 100;
		
		if(window.XMLHttpRequest) {
			setTimeout(function(){
			aj.XMLHttpRequest.open('GET', aj.targetUrl);
			aj.XMLHttpRequest.send(null);}, delay);
		} else {
			setTimeout(function(){
			aj.XMLHttpRequest.open("GET", targetUrl, true);
			aj.XMLHttpRequest.send();}, delay);
		}

	}
	aj.post = function(targetUrl, sendString, resultHandle) {
		setTimeout(function(){aj.showLoading()}, 250);
		if(in_array(targetUrl, Ajaxs)) {
			return false;
		} else {
			Ajaxs.push(targetUrl);
		}
		aj.targetUrl = targetUrl;
		aj.sendString = sendString;
		aj.XMLHttpRequest.onreadystatechange = aj.processHandle;
		aj.resultHandle = resultHandle;
		aj.XMLHttpRequest.open('POST', targetUrl);
		aj.XMLHttpRequest.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
		aj.XMLHttpRequest.send(aj.sendString);
	}
	return aj;
}

function showMenu(ctrlid, click, offset, duration, timeout, layer, showid, maxh, drag) {
	var ctrlobj = $(ctrlid);
	if(!ctrlobj) return;
	if(isUndefined(click)) click = false;
	if(isUndefined(offset)) offset = 0;
	if(isUndefined(duration)) duration = 2;
	if(isUndefined(timeout)) timeout = 250;
	if(isUndefined(layer)) layer = 0;
	if(isUndefined(showid)) showid = ctrlid;
	var showobj = $(showid);
	var menuobj = $(showid + '_menu');
	if(!showobj|| !menuobj) return;
	if(isUndefined(maxh)) maxh = 400;
	if(isUndefined(drag)) drag = false;
	if(click && jsmenu['active'][layer] == menuobj) {
		hideMenu(layer);
		return;
	} else {
		hideMenu(layer);
	}

	var len = jsmenu['timer'].length;
	if(len > 0) {
		for(var i=0; i<len; i++) {
			if(jsmenu['timer'][i]) clearTimeout(jsmenu['timer'][i]);
		}
	}
	
	initCtrl(ctrlobj, click, duration, timeout, layer);
	
	ctrlobjclassName = ctrlobj.className;
	ctrlobj.className += ' hover';
	
	initMenu(ctrlid, menuobj, duration, timeout, layer, drag);
	
	menuobj.style.display = '';
	if(!is_opera) {
		menuobj.style.clip = 'rect(auto, auto, auto, auto)';
	}
	
	setMenuPosition(showid, offset);
	
	if(maxh && menuobj.scrollHeight > maxh) {
		menuobj.style.height = maxh + 'px';
		if(is_opera) {
			menuobj.style.overflow = 'auto';
		} else {
			menuobj.style.overflowY = 'auto';
		}
	}
	if(!duration) {
		setTimeout('hideMenu(' + layer + ')', timeout);
	}

	jsmenu['active'][layer] = menuobj;
}

function hideMenu(layer) {
	if(isUndefined(layer)) layer = 0;
	if(jsmenu['active'][layer]) {
		try {
			$(jsmenu['active'][layer].ctrlkey).className = ctrlobjclassName;
		} catch(e) {}
		clearTimeout(jsmenu['timer'][jsmenu['active'][layer].ctrlkey]);
		jsmenu['active'][layer].style.display = 'none';
		if(is_ie && is_ie < 7 && jsmenu['iframe'][layer]) {
			jsmenu['iframe'][layer].style.display = 'none';
		}
		jsmenu['active'][layer] = null;
	}
}

function initCtrl(ctrlobj, click, duration, timeout, layer) {
	if(ctrlobj && !ctrlobj.initialized) {
		ctrlobj.initialized = true;
		ctrlobj.unselectable = true;

		ctrlobj.outfunc = typeof ctrlobj.onmouseout == 'function' ? ctrlobj.onmouseout : null;
		ctrlobj.onmouseout = function() {
			if(this.outfunc) this.outfunc();
			if(duration < 3 && !jsmenu['timer'][ctrlobj.id]) jsmenu['timer'][ctrlobj.id] = setTimeout('hideMenu(' + layer + ')', timeout);
		}

		ctrlobj.overfunc = typeof ctrlobj.onmouseover == 'function' ? ctrlobj.onmouseover : null;
		ctrlobj.onmouseover = function(e) {
			doane(e);
			if(this.overfunc) this.overfunc();
			if(click) {
				clearTimeout(jsmenu['timer'][this.id]);
				jsmenu['timer'][this.id] = null;
			} else {
				for(var id in jsmenu['timer']) {
					if(jsmenu['timer'][id]) {
						clearTimeout(jsmenu['timer'][id]);
						jsmenu['timer'][id] = null;
					}
				}
			}
		}
	}
}

function initMenu(ctrlid, menuobj, duration, timeout, layer, drag) {
	
	if(menuobj && !menuobj.initialized) {
		menuobj.initialized = true;
		menuobj.ctrlkey = ctrlid;
		//menuobj.onclick = ebygum;
		menuobj.style.position = 'absolute';
		if(duration < 3) {
			if(duration > 1) {
				menuobj.onmouseover = function() {
					
					clearTimeout(jsmenu['timer'][ctrlid]);
					jsmenu['timer'][ctrlid] = null;
				}
			}
			if(duration != 1) {
				menuobj.onmouseout = function() {
					jsmenu['timer'][ctrlid] = setTimeout('hideMenu(' + layer + ')', timeout);
				}
			}
		}
		menuobj.style.zIndex = 999 + layer;
		if(drag) {
			menuobj.onmousedown = function(event) {try{menudrag(menuobj, event, 1);}catch(e){}};
			menuobj.onmousemove = function(event) {try{menudrag(menuobj, event, 2);}catch(e){}};
			menuobj.onmouseup = function(event) {try{menudrag(menuobj, event, 3);}catch(e){}};
		}
	}

}

function setMenuPosition(showid, offset) {
	
	var showobj = $(showid);
	var menuobj = $(showid + '_menu');
	if(isUndefined(offset)) offset = 0;
	
	if(showobj) {
		showobj.pos = fetchOffset(showobj);
		showobj.X = showobj.pos['left'];
		showobj.Y = showobj.pos['top'];
		if($(InFloat) != null) {

			var InFloate = InFloat.split('_');
			if(!floatwinhandle[InFloate[1] + '_1']) {
				floatwinnojspos = fetchOffset($('floatwinnojs'));
				floatwinhandle[InFloate[1] + '_1'] = floatwinnojspos['left'];
				floatwinhandle[InFloate[1] + '_2'] = floatwinnojspos['top'];
			}
			showobj.X = showobj.X - $(InFloat).scrollLeft - parseInt(floatwinhandle[InFloate[1] + '_1']);
			showobj.Y = showobj.Y - $(InFloat).scrollTop - parseInt(floatwinhandle[InFloate[1] + '_2']);
			InFloat = '';
		}
		showobj.w = showobj.offsetWidth;
		showobj.h = showobj.offsetHeight;
		menuobj.w = menuobj.offsetWidth;
		menuobj.h = menuobj.offsetHeight;
		if(offset < 3) {
			menuobj.style.left = (showobj.X + menuobj.w > document.body.clientWidth) && (showobj.X + showobj.w - menuobj.w >= 0) ? showobj.X + showobj.w - menuobj.w + 'px' : showobj.X + 'px';
			menuobj.style.top = offset == 1 ? showobj.Y + 'px' : (offset == 2 || ((showobj.Y + showobj.h + menuobj.h > document.documentElement.scrollTop + document.documentElement.clientHeight) && (showobj.Y - menuobj.h >= 0)) ? (showobj.Y - menuobj.h) + 'px' : showobj.Y + showobj.h + 'px');
		} else if(offset == 3) {
			menuobj.style.left = (document.body.clientWidth - menuobj.clientWidth) / 2 + document.body.scrollLeft + 'px';
			menuobj.style.top = (document.body.clientHeight - menuobj.clientHeight) / 2 + document.body.scrollTop + 'px';
		}

		if(menuobj.style.clip && !is_opera) {
			menuobj.style.clip = 'rect(auto, auto, auto, auto)';
		}
	}
}

function fetchOffset(obj) {
	var left_offset = obj.offsetLeft;
	var top_offset = obj.offsetTop;
	while((obj = obj.offsetParent) != null) {
		left_offset += obj.offsetLeft;
		top_offset += obj.offsetTop;
	}
	return { 'left' : left_offset, 'top' : top_offset };
}

function doane(event) {
	e = event ? event : window.event;
	if(is_ie) {
		e.returnValue = false;
		e.cancelBubble = true;
	} else if(e) {
		e.stopPropagation();
		e.preventDefault();
	}
}

function evalscript(s) {
	if(s.indexOf('<script') == -1) return s;
	var p = /<script[^\>]*?>([^\x00]*?)<\/script>/ig;
	var arr = new Array();
	while(arr = p.exec(s)) {
		var p1 = /<script[^\>]*?src=\"([^\>]*?)\"[^\>]*?(reload=\"1\")?(?:charset=\"([\w\-]+?)\")?><\/script>/i;
		var arr1 = new Array();
		arr1 = p1.exec(arr[0]);
		if(arr1) {
			appendscript(arr1[1], '', arr1[2], arr1[3]);
		} else {
			p1 = /<script(.*?)>([^\x00]+?)<\/script>/i;
			arr1 = p1.exec(arr[0]);
			appendscript('', arr1[2], arr1[1].indexOf('reload=') != -1);
		}
	}
	return s;
}

function in_array(needle, haystack) {
	if(typeof needle == 'string' || typeof needle == 'number') {
		for(var i in haystack) {
			if(haystack[i] == needle) {
					return true;
			}
		}
	}
	return false;
}