// JScript 文件

var autoRunCycleTime=5000;
var currentIndex=1;
var run;
 

function initPicRun()
{
	clearInterval(run);
	changeCss();
	run = setInterval("autoHandler()",5000);
}

function autoHandler()
{
	if(currentIndex < 4)
		currentIndex += 1;
	else
		currentIndex = 1;
	changeCss();
}



function changeHandler(index)
{
	currentIndex = index;
	initPicRun();
}
/**/
function changeCss()
{
	$("#bigPic_1").hide();
	$("#bigPic_2").hide();
	$("#bigPic_3").hide();
	$("#bigPic_4").hide();
	
	$("#bigPic_" + currentIndex.toString()).fadeIn("fast");
	
	$("#smallPic_1").css({'background-image': 'none'});
	$("#smallPic_2").css({'background-image': 'none'});
	$("#smallPic_3").css({'background-image': 'none'});
	$("#smallPic_4").css({'background-image': 'none'});
	
	$("#smallPic_" + currentIndex.toString()).css({'background-image': 'url(images/pix_highligh.gif)'});
}


function changeCss()
{
	$("#bigPic_1").hide();
	$("#bigPic_2").hide();
	$("#bigPic_3").hide();
	$("#bigPic_4").hide();
	
	$("#bigPic_" + currentIndex.toString()).show();
	
	$("#smallPic_1").css({'background-image': 'none'});
	$("#smallPic_2").css({'background-image': 'none'});
	$("#smallPic_3").css({'background-image': 'none'});
	$("#smallPic_4").css({'background-image': 'none'});
	
	$("#smallPic_" + currentIndex.toString()).css({'background-image': 'url(images/pix_highligh.gif)'});
}