var isIE = navigator.userAgent.toLowerCase().indexOf("msie")>0;
var isGecko = navigator.userAgent.toLowerCase().indexOf("gecko")>0;
var view_items_separator = "##$$!!##";
function CheckBox(divHeight){
this.divHeight = divHeight;
this.clickCount = 0;
this.checkCount = 0;//当前选中的CHECK
this.checkBoxChilds = new Array();
}
CheckBox.prototype = {
init:function(checkEl){
for(var i=0;i<this.checkBoxChilds.length;i++){
if(this.checkBoxChilds[i].checked==true){
this.checkCount++;
}
}
if(checkEl.checked==true){
this.checkCount = this.checkCount-1;
}
if(checkEl.checked==false){
this.checkCount = this.checkCount+1;
}
},
/**
* 获取当前check在checkBox中的序列
*/
getNum:function(checkEl){
for(var i=0;i<this.checkBoxChilds.length;i++){
if(this.checkBoxChilds[i].id==checkEl.id){
return i;
}
}
},
/**
* 根据在checkBox中的序列返回相应的check对象
*/
getCheck:function(num){
return this.checkBoxChilds[num];
},
/**
* 加载checkbox对象到checkbox组中
*/
add:function(checkEl){
this.checkBoxChilds[this.checkBoxChilds.length] = document.getElementById(checkEl);
},
/**
* 获取离当前checkbox最近的选中的checkbox的序列
*/
getNearCheckedNum:function(checkEl){
var checkElNum = this.getNum(checkEl);
var upCheckedNum = this.getUpCheckedNum(checkElNum);
var downCheckedNum = this.getDownCheckedNum(checkElNum);
if(upCheckedNum!=null&&downCheckedNum!=null){
if((checkElNum-upCheckedNum)<=(downCheckedNum-checkElNum)){
return upCheckedNum;
}else{
return downCheckedNum;
}
}else if(upCheckedNum==null&&downCheckedNum!=null){
return downCheckedNum;
}else if(upCheckedNum!=null&&downCheckedNum==null){
return upCheckedNum;
}else{
return checkElNum;
}
},
/**
* 向上获取最近的选中的checkbox的序列
*/
getUpCheckedNum:function(num){
for(var i = num-1;i>=0;i--){
if(this.checkBoxChilds[i].checked){
return i;
}
}
return null;
},
/**
* 向下获取最近的选中的checkbox的序列
*/
getDownCheckedNum:function(num){
for(var i = num+1;i<this.checkBoxChilds.length;i++){
if(this.checkBoxChilds[i].checked){
return i;
}
}
return null;
},
changecheckStat:function(checkEl){
if(this.clickCount==0){
this.init(checkEl);
}
this.clickCount++;
if(checkEl.checked){
this.checkCount++;
if(this.checkCount>=2){
this.showFloatDiv(checkEl);
}else{
this.hiddenFlaotDiv();
}
}else{
this.checkCount--;
if(this.checkCount>=2){
this.showFloatDiv(this.getCheck(this.getNearCheckedNum(checkEl)));
}else{
this.hiddenFlaotDiv();
}
}
},
clearCount:function(){
this.clickCount = 0;
this.checkCount = 0;
this.hiddenFlaotDiv();
},
/**
* 显示并定位提示浮动层
*/
showFloatDiv:function(checkEl){
document.getElementById("tishiDiv").style.display = "block";
document.getElementById("tishiDiv").style.position = "absolute";
document.getElementById("tishiDiv").style.top = getXY(checkEl)[1]-this.divHeight+18+"px";
document.getElementById("tishiDiv").style.left = getXY(checkEl)[0]-10+"px";
},
/**
* 隐藏提示浮动层
*/
hiddenFlaotDiv:function(){
document.getElementById("tishiDiv").style.display = "none";
}
}
/**
* 获取对象el的X,Y坐标
* @param {Object} el
*/
function getXY(el){
var pos;
if(this.getExplorerType()==1){
var scrollTop = Math.max(document.documentElement.scrollTop, document.body.scrollTop);
var scrollLeft = Math.max(document.documentElement.scrollLeft, document.body.scrollLeft);
pos = [el.getBoundingClientRect().left+scrollLeft, el.getBoundingClientRect().top+scrollTop];
}else{
pos = [el.offsetLeft, el.offsetTop];
var parentNode = el.offsetParent;
if (parentNode != el) {
while (parentNode) {
pos[0] += parentNode.offsetLeft;
pos[1] += parentNode.offsetTop;
parentNode = parentNode.offsetParent;
}
}
if (el.parentNode) { parentNode = el.parentNode; }
else { parentNode = null; }
while (parentNode && parentNode.tagName.toUpperCase() != 'BODY' && parentNode.tagName.toUpperCase() != 'HTML'){
if (parentNode.style.display != 'inline') {
pos[0] -= parentNode.scrollLeft;
pos[1] -= parentNode.scrollTop;
}
if (parentNode.parentNode) {
parentNode = parentNode.parentNode;
} else { parentNode = null; }
}
}
return pos;
}
function getExplorerType(){
var ua = navigator.userAgent.toLowerCase();
if(window.ActiveXObject){
return 1;
}else if((ua.indexOf('firefox')>-1)){
return 2;
}else if((ua.indexOf('opera')>-1)){
return 3;
}
}

function GoldOver(txtID,imgID){
document.getElementById(txtID).style.display="block";
document.getElementById(imgID).style.display="none";
}
function GoldOut(txtID,imgID){
document.getElementById(txtID).style.display="none";
document.getElementById(imgID).style.display="block";
}