common.js

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function setOkMsg(element,msg){
   msg="<p class='OkMsg'>"+msg+"</p>";
   document.getElementById(element).innerHTML=msg;
}

function setWarningMsg(element,msg){
  msg="<p class='WarningMsg'>"+msg+"</p>";
   document.getElementById(element).innerHTML=msg;
}

function setErrorMsg(element,msg){
  msg="<p class='ErrorMsg'>"+msg+"</p>";
   document.getElementById(element).innerHTML=msg;
}

//格式化日期
Date.prototype.format = function(format)
{
	var o = {
	"M+" : this.getMonth()+1, //month
	"d+" : this.getDate(),    //day
	"h+" : this.getHours(),   //hour
	"m+" : this.getMinutes(), //minute
	"s+" : this.getSeconds(), //second
	"q+" : Math.floor((this.getMonth()+3)/3),  //quarter
	"S" : this.getMilliseconds() //millisecond
	}
	if(/(y+)/.test(format)) format=format.replace(RegExp.$1,
	(this.getFullYear()+"").substr(4 - RegExp.$1.length));
	for(var k in o)if(new RegExp("("+ k +")").test(format))
	format = format.replace(RegExp.$1,
	RegExp.$1.length==1 ? o[k] :
	("00"+ o[k]).substr((""+ o[k]).length));
	return format;
}

//load bar functions
function loadBar(fl)
//fl is show/hide flag
{
  var x,y;
  if (self.innerHeight)
  {// all except Explorer
    x = self.innerWidth;
    y = self.innerHeight;
  }
  else 
  if (document.documentElement && document.documentElement.clientHeight)
  {// Explorer 6 Strict Mode
   x = document.documentElement.clientWidth;
   y = document.documentElement.clientHeight;
  }
  else
  if (document.body)
  {// other Explorers
   x = document.body.clientWidth;
   y = document.body.clientHeight;
  }

    var el=document.getElementById('loader');
	if(null!=el)
	{
		var top = (y/2) - 50;
		var left = (x/2) - 150;
		if( left<=0 ) left = 10;
		el.style.visibility = (fl==1)?'visible':'hidden';
		el.style.display = (fl==1)?'block':'none';
		el.style.left = left + "px"
		el.style.top = top + "px";
		el.style.zIndex = 2;
	}
}


//ajax functions
function getDomDocumentPrefix() {
	if (getDomDocumentPrefix.prefix)
		return getDomDocumentPrefix.prefix;
	
	var prefixes = ["MSXML2", "Microsoft", "MSXML", "MSXML3"];
	var o;
	for (var i = 0; i < prefixes.length; i++) {
		try {
			// try to create the objects
			o = new ActiveXObject(prefixes[i] + ".DomDocument");
			return getDomDocumentPrefix.prefix = prefixes[i];
		}
		catch (ex) {};
	}
	
	throw new Error("Could not find an installed XML parser");
}

function getXmlHttpPrefix() {
	if (getXmlHttpPrefix.prefix)
		return getXmlHttpPrefix.prefix;
	
	var prefixes = ["MSXML2", "Microsoft", "MSXML", "MSXML3"];
	var o;
	for (var i = 0; i < prefixes.length; i++) {
		try {
			// try to create the objects
			o = new ActiveXObject(prefixes[i] + ".XmlHttp");
			return getXmlHttpPrefix.prefix = prefixes[i];
		}
		catch (ex) {};
	}
	
	throw new Error("Could not find an installed XML parser");
}

//////////////////////////
// Start the Real stuff //
//////////////////////////


// XmlHttp factory
function XmlHttp() {}

XmlHttp.create = function () {
	try {
		if (window.XMLHttpRequest) {
			var req = new XMLHttpRequest();
			
			// some versions of Moz do not support the readyState property
			// and the onreadystate event so we patch it!
			if (req.readyState == null) {
				req.readyState = 1;
				req.addEventListener("load", function () {
					req.readyState = 4;
					if (typeof req.onreadystatechange == "function")
						req.onreadystatechange();
				}, false);
			}
			
			return req;
		}
		if (window.ActiveXObject) {
			return new ActiveXObject(getXmlHttpPrefix() + ".XmlHttp");
		}
	}
	catch (ex) {}
	// fell through
	throw new Error("Your browser does not support XmlHttp objects");
};

// XmlDocument factory
function XmlDocument() {}

XmlDocument.create = function () {
	try {
		// DOM2
		if (document.implementation && document.implementation.createDocument) {
			var doc = document.implementation.createDocument("", "", null);
			
			// some versions of Moz do not support the readyState property
			// and the onreadystate event so we patch it!
			if (doc.readyState == null) {
				doc.readyState = 1;
				doc.addEventListener("load", function () {
					doc.readyState = 4;
					if (typeof doc.onreadystatechange == "function")
						doc.onreadystatechange();
				}, false);
			}
			
			return doc;
		}
		if (window.ActiveXObject)
			return new ActiveXObject(getDomDocumentPrefix() + ".DomDocument");
	}
	catch (ex) {}
	throw new Error("Your browser does not support XmlDocument objects");
};

// Create the loadXML method and xml getter for Mozilla
if (window.DOMParser &&
	window.XMLSerializer &&
	window.Node && Node.prototype && Node.prototype.__defineGetter__) {

	// XMLDocument did not extend the Document interface in some versions
	// of Mozilla. Extend both!
	XMLDocument.prototype.loadXML = 
	Document.prototype.loadXML = function (s) {
		
		// parse the string to a new doc	
		var doc2 = (new DOMParser()).parseFromString(s, "text/xml");
		
		// remove all initial children
		while (this.hasChildNodes())
			this.removeChild(this.lastChild);
			
		// insert and import nodes
		for (var i = 0; i < doc2.childNodes.length; i++) {
			this.appendChild(this.importNode(doc2.childNodes[i], true));
		}
	};
	
	
	/*
	 * xml getter
	 *
	 * This serializes the DOM tree to an XML String
	 *
	 * Usage: var sXml = oNode.xml
	 *
	 */
	// XMLDocument did not extend the Document interface in some versions
	// of Mozilla. Extend both!
	XMLDocument.prototype.__defineGetter__("xml", function () {
		return (new XMLSerializer()).serializeToString(this);
	});
	Document.prototype.__defineGetter__("xml", function () {
		return (new XMLSerializer()).serializeToString(this);
	});
}

//added by sogui
function ScoolImageIMS(){}

ScoolImageIMS.postData=function(postAction,param){
	try{
     loadBar(1);
     var xmlHttp = XmlHttp.create();
     xmlHttp.open("POST",postAction,true);
     xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
     xmlHttp.onreadystatechange = function () {//start function
       if(xmlHttp.readyState ==4 && xmlHttp.status==200){
		   var result=xmlHttp.responseText;
		   document.body.innerHTML=result;
	   }
     };//end function
     xmlHttp.setRequestHeader("If-Modified-Since","0");//LJN07-12-22修改
     xmlHttp.send(param);
   }catch(ex){
     setErrorMsg("msg","操作失败，请重试一次！");
     alert(ex);
   }finally{
      window.setTimeout("loadBar(0)",3000);
  }
};

ScoolImageIMS.getData=function(requestUrl){
	try{
		loadBar(1);
		var xmlHttp = XmlHttp.create();
		xmlHttp.open("GET",requestUrl,true);
		xmlHttp.onreadystatechange = function() {//start function
		  if(xmlHttp.readyState ==4 && xmlHttp.status==200){
			  var result=xmlHttp.responseText;
			  document.body.innerHTML=result;
		  }
		};//end function
		xmlHttp.setRequestHeader("If-Modified-Since","0");//LJN07-12-22修改
		xmlHttp.send(null);
	}catch(ex){
		setErrorMsg("msg","操作失败，请重试一次！");
		alert(ex);
	}finally{
		window.setTimeout("loadBar(0)",3000);
	}
};

//dwr
ScoolImageIMS.objectEval=function(text){
    // eval() breaks when we use it to get an object using the { a:42, b:'x' }
    // syntax because it thinks that { and } surround a block and not an object
    // So we wrap it in an array and extract the first element to get around
    // this.
    // The regex = [start of line][whitespace]{[stuff]}[whitespace][end of line]
    text = text.replace(/\n/g, " ");
    text = text.replace(/\r/g, " ");
    if (text.match(/^\s*\{.*\}\s*$/))
    {
        text = "[" + text + "][0]";
    }

    return eval(text);
};

ScoolImageIMS.callOnLoad=function(init){
    if (window.addEventListener)
    {
        window.addEventListener("load", init, false);
    }
    else if (window.attachEvent)
    {
        window.attachEvent("onload", init);
    }
    else
    {
        window.onload = init;
    }
};

//cookie functions
ScoolImageIMS.setCookie=function(name,value,expires,path,domain,secure) {
  document.cookie = name + "=" + escape (value) +
    ((expires) ? "; expires=" + expires.toGMTString() : "") +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : "");
};

ScoolImageIMS.getCookie=function(name){
	var prefix = name + "="
	var start = document.cookie.indexOf(prefix)

	if (start==-1) {
		return null;
	}

	var end = document.cookie.indexOf(";", start+prefix.length)
	if (end==-1) {
		end=document.cookie.length;
	}

	var value=document.cookie.substring(start+prefix.length, end)
	return unescape(value);
};

/* This function is used to delete cookies */
ScoolImageIMS.deleteCookie=function(name,path,domain){
  if (this.getCookie(name)) {
    document.cookie = name + "=" +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }
};


//div page used
  function changeValue(element,elementName){
      var objects=document.getElementsByName(elementName);
      for(var i=0;i<objects.length;i++){
       if(element!=objects[i]){objects[i].value=element.value;}
      }
   }
    
   function goTo(requestUrl){
	   ScoolImageIMS.getData(requestUrl);
	}
	
    function goToSearch(action,queryStr){
		var pageSize=document.getElementById('pageSize').value;
		var pageNo=document.getElementById('pageNo').value;
		var requestUrl=action+"?"+"pageNo="+pageNo+"&pageSize="+pageSize;
		if(queryStr!=""){
			requestUrl+="&"+queryStr;
		}
		goTo(requestUrl);
	}
	
	
	//page resize frame
	
	function reSizeFrame(){
		 y=  top.document.body.clientHeight;
         y1= top.topFrame.document.body.clientHeight;
         document.getElementById("treeViewLeft").height=(y-y1-30);
         document.getElementById("treeViewRight").height=(y-y1-30);
	}
	
	function reSizeViewFrame(){
		y=  top.document.body.clientHeight;
         y1= top.topFrame.document.body.clientHeight;
         document.getElementById("viewFrame").height=(y-y1-30);
	}
	//switch bar 
function switchBar(){
var switchPoint=document.getElementById("switchPoint");
 if (switchPoint.innerText==3){
    switchPoint.innerText=4;
    document.all("treeViewLeft").style.display="none";

  }else{
    switchPoint.innerText=3;
    document.all("treeViewLeft").style.display="";
  }
}