function LGY_picSwitch(option){
= (); //The outermost element
= (,'gy_picSwitch_listWrap')[0];
= ('ul')[0];
= (,'gy_picSwitch_prev')[0];
= (,'gy_picSwitch_next')[0];
= ('li').length; //Total number of pictures
= ; //The number of scrolls per time
= (/); // Switch the maximum value of the judgment
= 0; //The distance moved each time, and dynamically get the value in the code
= 0; //Switch the current index of the picture
= null; //Switch the image's quotation value
();
}
LGY_picSwitch.prototype = {
getId:function(id){
return (id);
},
getNodeByClassname:function(parent,classname){
var classElements = new Array();
var els = ('*');
var elsLen = ;
var pattern = new RegExp("(^|\\s)"+classname+"(\\s|$)");
for (i = 0, j = 0; i < elsLen; i++) {
if ( (els[i].className) ) {
classElements[j] = els[i];
j++;
}
}
return classElements;
},
getCss:function(node,value)
{
return ?[value]:getComputedStyle(node,null)[value];
},
setCss:function(node,val){
for(var v in val){
+= ';'+ v +':'+val[v];
}
},
moveFn:function(node,value,targetValue,callback){
var _that = this;
clearInterval();
= setInterval(function()
{
var val = parseFloat(_that.getCss(node,value));
var speed = ( targetValue- val )/8;
speed = speed>0?(speed):(speed);
if(speed ==0)
{
clearInterval(_that.timer);
callback&&callback();
}
else
{
[value] = ( val + speed ) +'px';
}
},20);
},
picChange:function(){
(,'marginLeft',-*);
},
cancelBubble:function(e){
?(): = true;
},
btnIsShow:function(){
(,{'display':'block'});
(,{'display':'block'});
if( == 0 ) (,{'display':'none'});
if( ==(-1) ) (,{'display':'none'});
},
btnPrev:function(){
var _that = this;
= function(e){
var e = e || ;
_that.cancelBubble(e);
if(_that.nIndex != 0 ) {
_that.nIndex--;
_that.picChange();
_that.btnIsShow();
}
}
},
btnNext:function(){
var _that = this;
= function(e){
var e = e || ;
_that.cancelBubble(e);
if(_that.nIndex != (_that.nScollLen-1) ) {
_that.nIndex++;
_that.picChange();
_that.btnIsShow();
}
}
},
int:function(){
//Dynamicly obtain the width of the movement
var oLi = ('li')[0],
oLi_w = + parseInt((oLi,'marginLeft')) + parseInt((oLi,'marginRight'));
= oLi_w*;
//Button display initialization
();
//Switch left and right
();
();
}
}