function caluMonthNum(startD,endD){
	var endDate = new Date(endD);    
	var startDate = new Date(startD);    
	var	number = 0;    
	yearToMonth = (endDate.getFullYear() - startDate.getFullYear()) * 12;    
	number += yearToMonth;    
	monthToMonth = endDate.getMonth() - startDate.getMonth()+1;    
	number += monthToMonth;      
	return number; 
}
function forbidBackSpace() { 
    if (((event.keyCode == 8) &&                                                    //BackSpace 
         ((event.srcElement.type != "text" && 
         event.srcElement.type != "textarea" && 
         event.srcElement.type != "password") || 
         event.srcElement.readOnly == true)) || 
        ((event.ctrlKey) && ((event.keyCode == 78) || (event.keyCode == 82)) ) ||    //CtrlN,CtrlR 
        (event.keyCode == 116) ) {                                                   //F5 
        event.keyCode = 0; 
        event.returnValue = false; 
    } 
}
function relocation(url){
  self.location.href=url;
}

function DelCookie(sName){
  document.cookie = sName + "=;expires=Fri, 31 Dec 1989 23:59:59 GMT;";
}

function openModalDialog(url){
      returVal=window.showModalDialog(url,'','dialogWidth=540px;dialogHeight=300px;center:yes;help:no;resizable:no;status:no');
  }

function showDialog(url,width,height){
      returVal=window.showModalDialog(url,'','dialogWidth='+width+'px;dialogHeight='+height+'px;center:yes;help:no;resizable:no;status:no;scrollbars:no');
      return returVal;
  }

function showResizeDialog(url,width,height){
      returVal=window.showModalDialog(url,'','dialogWidth='+width+'px;dialogHeight='+height+'px;center:yes;help:yes;resizable:yes;scroll:yes;status:no');
  	return returVal;
 }

function openFullWindow(url){
	returVal=window.open(url,'','width='+(screen.availWidth-10)+',height='+(screen.availHeight - 50)+',left=0,top=0,toolbar=no,menubar=no,scrollbars=yes, resizable=no,location=no, status=yes');     
}
  
function openWindow(url){
      returVal=window.open(url,'','width=540,height=300,left='+screen.width/2-270+',top='+screen.height/2-150+',toolbar=no,menubar=no,scrollbars=no, resizable=no,location=no, status=no');
  }

function showResizeWindow(url,width,height){
      returVal=window.open(url,'','width='+width+',height ='+height+',left='+screen.width/2-width/2+',top='+screen.height/2-height/2+',toolbar=no,menubar=no,scrollbars=no, resizable=no,location=no, status=no');
  }

function openPrintWindow(url){
      returVal=window.open(url,'','width=1024,height =768,left='+screen.width/2-512+',top='+screen.height/2-384+',toolbar=no,menubar=no,scrollbars=yes, resizable=yes,location=no, status=no');
  }
  
 function isCurrency(fData){
    var reg = new RegExp("^[0-9]+(.[0-9]{2})?$");
    return (reg.test(fData));
}

function isInteger(fData){
	if (fData=='' || fData==null) return false;
    var reg = new RegExp("^[0-9]*$");
    return (reg.test(fData));
}

function isDouble(fData){
    var reg = new RegExp("^[0-9]+(.[0-9]{1,6})?$");
    return (reg.test(fData));
}

function closewindow(){
    if(confirm("确认关闭窗口？")){
        window.close()
    }
}


function setSubMainFrameTreeVisibility(){
	try{
	setVisibility(treePane, false);
	viewPane.style.width=document.body.clientWidth;
	viewPane.style.left=0;
	}catch(ex){
	
	}
}

function setSubMainFrameTreeVisibility2(){
	var visible=isObjVisible(treePane);
	if (visible){
		setVisibility(treePane,true);
		viewPane.style.width=document.body.clientWidth-201;
		viewPane.style.left=201;
	}else{
		setVisibility(treePane,false);
		viewPane.style.width=document.body.clientWidth;
		viewPane.style.left=0;		
	}
}

function isObjVisible(obj){
	if (obj!=null){
		return obj.style.display=="none";
	}
	return false;
}
function setVisibility(obj, blnVisible){
	if (obj!=null){
		if (blnVisible){
			obj.style.display="block";			
		}else{
			obj.style.display="none";
		}	
	}
}
  
function selectAllOption(objects,checked){
	if (objects!=null){
    	var num=objects.length;
    	if (num==null){
      		objects.checked=checked;
      	}else{
        	for (var i = 0 ; i < num ; i++) {
        		objects[i].checked=checked;
        	}
      	}
    }
}

function selectReverseOption(objects){
	if (objects!=null){
    	var num=objects.length;
    	if (num==null){
      		objects.checked=!objects.checked;
      	}else{
        	for (var i = 0 ; i < num ; i++) {
        		objects[i].checked=!objects[i].checked;
        	}
      	}
    }
}

function haveSelected(objects){
 var haveSel=false;
 if (objects!=null){
    var num=objects.length;
    if (num==null){
      	if (objects.checked){
      		haveSel=true;
        }
      }else{
        for (var i = 0; i < num; i++) {
        	if (objects[i].checked) {
                    	haveSel=true;
                    	break;
            }
        }
      }
    }
    return haveSel;
}  

function getRangeSelect(id, min, max, defaultSelected){
	var vSelCtl = "<select id=\"" + id + "\" name=\"" + id + "\" >";
	var _idx = "";
	for(i=min;i<=max;i++){
		_idx = i;
		if(_idx == defaultSelected){
			defaultselect = " selected ";
		}else{
			defaultselect = "";
		}
		vSelCtl +=  "<option value =\"" + _idx + "\"" + defaultselect + ">" + _idx + "</option>";
	}
	vSelCtl += "</select>";
	return vSelCtl;
}

function isNumeric(value){ 
	return value.search(/^(-|\+)?\d+(\.\d+)?$/) != -1;  	
}


/************
	menu tree
 ************/
//get object of document 
function getTreeObject(obj){
 var retuObj=document.getElementById(obj)?document.getElementById(obj):obj;
 return retuObj;
}
//hide object
function Hide(obj) {
 getTreeObject(obj).style.display="none";
}
//show object
function Show(obj) {
 getTreeObject(obj).style.display="";
}
/*
 * replace current object's parent's style class
 * parameter obj-current object
 * cls1: class of style 1
 * cls2: class of style 2
 * num: parent's level  
 */
function ExCls(obj,cls1,cls2,num){
 	var theObj=getTreeObject(obj);
 	for(i=0;i<num;i++) {
 		theObj=theObj.parentNode;
 	}
 	theObj.className=theObj.className==cls1?cls2:cls1;
}
/*
 * init tree
 */
function MenuTree(id,TagName0) {
  	this.id=id;
  	this.TagName0=TagName0==""?"li":TagName0;
  	this.AllNodes = getTreeObject(this.id).getElementsByTagName(TagName0);
  	this.InitCss = function (ClassName0,ClassName1,ClassName2,ImgUrl) {
  		this.ClassName0=ClassName0;
  		this.ClassName1=ClassName1;
  		this.ClassName2=ClassName2;
  		this.ImgUrl=ImgUrl || "{ctxPath}/images/tree/blank.gif";
  		this.ImgBlankA ="<img src=\""+this.ImgUrl+"\"  width=\"16\" height=\"16\" class=\"s\" onclick=\"ExCls(this,'"+ClassName0+"','"+ClassName1+"',1);\" alt=\"展开/折叠\" />";
  		this.ImgBlankB ="<img src=\""+this.ImgUrl+"\"  width=\"16\" height=\"16\" class=\"s\" />";
  		for (i=0;i<this.AllNodes.length;i++ ) {
   			this.AllNodes[i].className==""?this.AllNodes[i].className=ClassName1:"";
   			this.AllNodes[i].innerHTML=(this.AllNodes[i].className==ClassName2?this.ImgBlankB:this.ImgBlankA)+this.AllNodes[i].innerHTML;
   		}
 	}
 	this.SetNodes = function (n) {
 		var sClsName=n==0?this.ClassName0:this.ClassName1;
  		for (i=0;i<this.AllNodes.length;i++ ) {
   			this.AllNodes[i].className==this.ClassName2?"":this.AllNodes[i].className=sClsName;
  		}
 	}
}

function StringFormat(objContent,length,curLength){
	var doDeleteId = objContent.childNodes.length;
	for(var i=0;i<objContent.childNodes.length;i++){
		var item = objContent.childNodes(i);
		if(item.nodeName == "#text"){
			var l = item.nodeValue.length + curLength;
			if( l > length){
			  item.nodeValue = item.nodeValue.substr(0,length - curLength) + "......";
			  curLength = -1;
			  doDeleteId = i + 1;
			  break;
			}else{
				curLength = l;
			}
		}else{
			curLength = StringFormat(item,length,curLength);
			if(curLength ==-1)
			{
				doDeleteId = i+1;
				break;
			}
		}
	}
	while(doDeleteId <objContent.childNodes.length){
			objContent.childNodes(doDeleteId).removeNode(true);
	}
	return curLength;
}
 function validateDocFile(filename) {
	if (filename == "") return true;
	var subfix = filename.substring(filename.lastIndexOf(".")+1);
	if (subfix == -1) return false;
	subfix = subfix.toUpperCase();
	if (subfix == "DOC" ) {
		return true;
	} 
	return false;
}
 function validateImageFile(filename) {
	if (filename == "") return true;
	var subfix = filename.substring(filename.lastIndexOf(".")+1);
	if (subfix == -1) return false;
	subfix = subfix.toUpperCase();
	if (subfix == "JPG" || subfix == "PNG" || subfix == "JPEG" || subfix == "GIF"  ) {
		return true;
	} 
	return false;
}

function selPro()
{
	window.open("/kpm/SelObject!selProject?needArray=true","",'fullscreen=no,scrollbars=yes,resizable=yes,left=450,top=100,width=400,height=500');
}