// browser check
var ScrollPicsBrowserType = (navigator.appVersion.match(/MSIE/) && !navigator.appVersion.match(/MSIE\s8\.0/)) ? 'IE' : 'NS' ;
// JavaScript Document
function gnway_scroll_pics_by_tongfu(ex, pics, w, h, sec, urls){
this.tfex=ex;
this.tfpics=pics;
this.tfurls=urls;
this.tfobjs;
this.tfwidth=w;
this.tfheight=h;
this.num;
this.tfDoc;
this.tfBody;
this.tfStepTop;
this.tfCurTop;
this.tfMaxTop;
this.tfInterval;
this.tfStepSpeed;
this.tfStepSpeed2;
this.tfButtons;
this.tfCurObj;
this.tfCurId;
this.tfTimeout;
this.tfTimeoutSec=sec;
this.init=function(){
this.num=this.tfpics.length;
this.tfStepTop = 0;
this.tfCurTop = 0;
this.tfMaxTop = 0;
this.tfInterval = null;
this.tfStepSpeed = 60;
this.tfStepSpeed2 = 0;
this.tfTimeout = null;
}
this.draw=function(){
document.write('');
}
this.show=function(){
this.tfCurObj = null;
this.tfCurId = null;
myObj = (ScrollPicsBrowserType == 'IE') ? window.frames['scroll_pics_'+this.tfex] : document.getElementById('scroll_pics_'+this.tfex) ;
myDoc = this.tfDoc = (ScrollPicsBrowserType == 'IE') ? myObj.document : myObj.contentWindow.document ;
myDoc.close();
myDoc.open();
myDoc.write('');
myDoc.close();
myBody = this.tfBody = myDoc.body;
myBody.style.overflow = 'hidden';
nDivObj = this.tfButtons = myDoc.createElement("DIV");
nDivObj.style.position = 'absolute';
nDivObj.style.top = (this.tfheight-16)+'px';
nDivObj.style.left = '0px';
nDivObj.style.width = '100%';
nDivObj.style.display = 'block';
nDivObj.style.textAlign = 'right';
nDivObj.style.backgroundImage = 'url(./images/bg_scroll_pic_btn.png)';
nDivObj.style.backgroundPosition = 'right';
nDivObj.style.backgroundRepeat = 'no-repeat';
this.tfobjs = new Array();
for(tfi=0;tfi curTop) ? picTop -= this.tfheight : picTop += this.tfheight ;
stepTop = this.tfStepTop = parseInt((picTop-curTop)/scrollSpeed);
///alert(this.tfCurTop+'!='+this.tfMaxTop+'||('+id+'+1)*'+this.tfheight+'-16');
if(this.tfCurTop != this.tfMaxTop){
this.tfCurTop = ((id+1)*this.tfheight-16);
return true;
}
return false;
}
this.cycle=function(){
this.tfInterval2 = setTimeout(this.tfex+".doCycle()", this.tfTimeoutSec);
}
this.doCycle=function(){
if(isNaN(this.tfCurId))
this.tfCurId = 0;
curId = this.tfCurId;
if(curId < this.num)
curId++;
if(curId == this.num)
curId = 0;
//alert(curId);
this.selChangeTo(curId);
//
this.cycle();
}
this.showButtons=function(){
this.tfButtons.style.top = this.tfCurTop+'px';
this.tfButtons.style.display = '';
}
this.hideButtons=function(){
clearTimeout(this.tfInterval2);
this.tfButtons.style.display = 'none';
}
this.scrollToPic=function(id){
if(id >= 0 && id < this.num && this.tfInterval == null){
if(this.countScroll(id, this.tfStepSpeed)){
///alert(this.tfStepTop+'/'+this.tfStepSpeed+'|'+this.tfCurTop+'/'+this.tfMaxTop);
this.hideButtons();
this.tfInterval = setInterval(this.tfex+".doScrollToPic()", 10);
}
}
}
this.doScrollToPic=function(){
if(this.tfStepTop != 0){
if(this.tfStepTop > 0)
this.tfStepTop--;
else
this.tfStepTop++;
myBody = this.tfBody;
if(this.tfStepTop > 0)
myBody.scrollTop += this.tfStepSpeed;
else
myBody.scrollTop -= this.tfStepSpeed;
}
else{
myBody = this.tfBody;
willTop = this.tfMaxTop-myBody.scrollTop;
willTop2 = willTop/6;
if(willTop > 0){
if(willTop < 15)
myBody.scrollTop = this.tfMaxTop;
else
myBody.scrollTop += willTop2;
}
else{
if(willTop > -15)
myBody.scrollTop = this.tfMaxTop;
else
myBody.scrollTop += willTop2;
}
if(myBody.scrollTop == this.tfMaxTop){
this.showButtons();
clearInterval(this.tfInterval);
this.init();
}
}
}
this.init();
}