// JavaScript Document
//对像的引用
function $(id){
	return document.getElementById(id);
}


//图片展示

//上下张图片主函数
function getProBigPic(sta){
	var smallBox="small_box_";
	if(mar){clearInterval(mar);}
	if(sta=="pre")
	{
		cNum--;
		if(lNum-cNum>=2)
		{
			lNum--;
			proBoxRoll('p','1');
		}
		else
		{
			mar=setInterval("autoRollPic('p');",5000);	
		}
	}
	else
	{
		cNum++;
		if(lNum-cNum<=0)
		{
			proBoxRoll('n','1');	
		}
		else
		{	
			mar=setInterval("autoRollPic('n');",5000);	
		}
		if(cNum>4)
		{
			lNum++;	
		}
		if(cNum<=4&&lNum<=4)
		{
			lNum=4;	
		}
	}
	for(i=1;i<=maxNum;i++)
	{
		$(smallBox+i).className="";	
	}
	$(smallBox+cNum).className="active_box";
	$("big_pic_show").src=srcArr[cNum-1];
	$("num_of_sort").innerHTML=cNum+"&nbsp;/&nbsp;"+maxNum;
}

function picClickGetBig(num){
	if(num<=cNum)
	{
		cNum=num+1;
		getProBigPic("pre");
	}
	else
	{
		cNum=num-1;
		getProBigPic("next");
	}
}

function proBoxRoll(sta,pix){
	if(cNum<maxNum&&parseInt(pix)<=3)
	{
		if(sta=="n"){$("roll_list").scrollLeft+=31;}
		if(sta=="p"){$("roll_list").scrollLeft-=31;}
		var addPix=parseInt(pix)+1;
		setTimeout("proBoxRoll('"+sta+"','"+addPix+"');",100);
	}
	else
	{
		mar=setInterval("autoRollPic('"+sta+"');",5000);	
	}
}

//*自動播放函數
function autoRollPic(sta){
	if(maxNum>cNum&&sta=="n")
	{
		getProBigPic("next");
	}
	else
	{
		if(cNum>=2)
		{
			getProBigPic("pre");
		}
		else
		{
			getProBigPic("next");	
		}
	}	
}

//行事曆顯示控制,divHead div頭部,num 當前次序,divCount div總數,showClass 顯示時的樣式
function scheConShowHidden(divHead,num,divCount,showClass){
	var divId;
	for(i=1;i<=divCount;i++)
	{
		divId=divHead+"_"+i;
		if(i==num)                    //&&$(divId).className.indexOf("hidden")!=-1
		{
			$(divId).className=showClass;	
		}
		else
		{
			$(divId).className=showClass+" hidden";	
		}
	}
}


//插入FLASH
function insertFlash(elm, url, w, h) {
	if (!document.getElementById(elm)) return;
	var str = '';
	str += '<object width="'+ w +'" height="'+ h +'" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" 		codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0">';
	str += '<param name="movie" value="'+ url +'">';
	str += '<param name="wmode" value="opaque">';
	str += '<param name="quality" value="autohigh">';
	str += '<embed width="'+ w +'" height="'+ h +'" src="'+ url +'" quality="autohigh" wmode="opaque"type="application/x-shockwave-flash" plugspace="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash"></embed>';
	str += '</object>';
	document.getElementById(elm).innerHTML = str;
}

//FLASH选项卡
function showTravelMapSel(srcHead,cNum,divHead){
	var imgId,divId;
	for(i=1;i<=4;i++)
	{
		imgId=srcHead+i;
		divId=divHead+i;
		if(i==cNum)
		{
			$(imgId).src="images/"+imgId+"_a.gif";
			$(divId).className="show_trvel_flash";
		}
		else
		{
			$(imgId).src="images/"+imgId+".gif";
			$(divId).className="show_trvel_flash hidden";
		}
	}
}