imgspeed = 4000; //ËÙ¶È
imgt =100;
imgstemp=10;
var imgall=5;
//var index=4;
var jndex=imgall-1;
var opa=100;
var loopimg=0;
var imgrun=0;
function imginit(){
	npl=document.getElementById('navp').offsetLeft;
	npt=document.getElementById('navp').offsetTop;
	ipl=document.getElementById('imgp').offsetLeft;
	ipt=document.getElementById('imgp').offsetTop;
	aleft=57+12;
	atop=-20;
	for(i=0;i<imgall;i++) {
		document.getElementById('imgdiv'+i).style.left=ipl+npl+aleft;
		document.getElementById('imgdiv'+i).style.top=ipt+npt+atop;

		document.getElementById('imgtext'+i).style.left=ipl+npl+aleft+87;
		document.getElementById('imgtext'+i).style.top=ipt+npt+atop+190;
	}
	if(!imgrun){
		imgalt();
		imgrun=1;
	}
	setTimeout('imginit()',50);
}
function imgalpha(i) {
	aimg=document.getElementById('imgdiv'+i);
	if(opa <= 0)
		opa=100;
	opa=opa-imgstemp;
	//aimg.style.filters="alpha(opacity=100)";
	eval("aimg.style.filter=\"alpha(opacity="+opa+")\"");
	
	//aimg.filters.alpha.opacity = opa;
	
	if(opa > 0) {
		alpclk=setTimeout('imgalpha('+i+')',imgt); 
	}
	else {
		aimg.style.display='none';
		aimg.filters.alpha.opacity =100;
	}
}
textindex=0;
function imgalt() {
	if(loopimg==0) {
		loopimg=1;
		document.getElementById('imgdiv'+jndex).style.display='block';
		for(i=0;i<imgall;i++) {
			document.getElementById('imgtext'+i).style.display='none';
			//document.getElementById('t'+i).innerHTML='=';
		}
		document.getElementById('imgtext'+0).style.display='block';
		textindex++;
		//document.getElementById('t'+0).innerHTML='>';

		imgclk=setTimeout('imgalt()',imgspeed-1000); 
	}
	else {
 	
	if(jndex==0)
		document.getElementById('imgdiv0').style.zIndex=imgall+1;
	if(jndex==imgall-1)
		document.getElementById('imgdiv0').style.zIndex=1;
 	document.getElementById('imgdiv'+jndex).style.display='block';
	for(i=0;i<imgall;i++) {
			document.getElementById('imgtext'+i).style.display='none';
			//document.getElementById('t'+i).innerHTML='=';
		}
		document.getElementById('imgtext'+textindex).style.display='block';
		//document.getElementById('t'+textindex).innerHTML='>';
		textindex++;
		if(textindex>imgall-1)
			textindex=0;

	document.getElementById('imgdiv'+jndex).style.filter="alpha(opacity=100)";
	document.getElementById('imgdiv'+jndex).filters.alpha.opacity =100;
	j=jndex-1;
	if(j<0)
		j=imgall-1;
	
 	document.getElementById('imgdiv'+j).style.display='block';
	document.getElementById('imgdiv'+j).style.filter="alpha(opacity=100)";
	document.getElementById('imgdiv'+j).filters.alpha.opacity =100;
	imgalpha(jndex);

	jndex--;
	if(jndex <0){
		
		jndex=imgall-1;
	}
	imgclk=setTimeout('imgalt()',imgspeed); 
	}
}
function altkill(n) {
	
	jndex=imgall-1-n;
	textindex=n;
	m=imgall-1-n;
	//document.getElementById('s1').innerHTML=jndex;
	//	document.getElementById('s2').innerHTML=textindex;
	if(typeof(imgclk)!="undefined")
		clearTimeout(imgclk);
	if(typeof(alpclk)!="undefined")
		clearTimeout(alpclk);
	for (i=0;i<imgall ;i++ )
	{
		document.getElementById('imgdiv'+i).style.zIndex=i+1
		document.getElementById('imgtext'+i).style.display='none';
		document.getElementById('imgdiv'+i).style.display='none';
	}
	document.getElementById('imgdiv'+m).style.filter="alpha(opacity=100)";
	document.getElementById('imgdiv'+m).filters.alpha.opacity =100;
	document.getElementById('imgdiv'+m).style.display='block';
	document.getElementById('imgtext'+n).style.display='block';

}
function altrestart() {
	//document.getElementById('s1').innerHTML=jndex;
	//	document.getElementById('s2').innerHTML=textindex;
	for (i=0;i<imgall ;i++ )
	{
		document.getElementById('imgdiv'+i).style.zIndex=i+1
		document.getElementById('imgdiv'+i).style.display='none';
		document.getElementById('imgtext'+i).style.display='none';
	}
	textindex++;
		if(textindex>imgall-1)
			textindex=0;
	imgalt();
}
if (window.addEventListener)
window.addEventListener("load", imginit, false)
else if (window.attachEvent)
window.attachEvent("onload", imginit)

/*if (window.addEventListener)
window.addEventListener("load", imgalpha, false)
else if (window.attachEvent)
window.attachEvent("onload", imgalpha)*/
//imgalt();