var langs = ['e','c','s'];
var langId = 0;
for(x=0;x<2;x++){
	if(location.href.search('_'+langs[x]+'.htm')!=-1){
		if(location.href.search('/cargo_chs/')!=-1){
			langId = 2;
		}else{
			langId = x;
		}
	}
}

var domain = location.href.match(/.*\/(cargo|cargo_chs)\//)[0];
var btn = {
	line1: function(){
		var result = '';
		for(x=0;x<2;x++){
			result += eval('this.btn_'+langs[x]+'()');
		}
		document.write(result);
	},
	line2: function(){
		var result = '';
		result += eval('this.btn_'+langs[2]+'()');
		document.write(result);
	},
	btn_c: function(){
		return '<a href="javascript:lang_btn.changeVer(\'c\');"><img border="0" width="70" height="23" alt="繁體版" src="'+domain+'/images/images_all/chi_2ver_out.gif" onmouseover="lang_btn.over(this);" onmouseout="lang_btn.out(this);" /></a>';
	},
	btn_s: function(){
		return '<a href="javascript:lang_btn.changeVer(\'s\');"><img border="0" width="70" height="23" alt="簡體版" src="'+domain+'/images/images_all/newcargobut_tc_out.gif" onmouseover="lang_btn.over(this);" onmouseout="lang_btn.out(this);" /></a>';
	},
	btn_e: function(){
		return '<a href="javascript:lang_btn.changeVer(\'e\');"><img border="0" width="70" height="23" alt="簡體版" src="'+domain+'/images/images_all/eng_2ver_out.gif" onmouseover="lang_btn.over(this);" onmouseout="lang_btn.out(this);" /></a>';
	}
}
var lang_btn = {
	over: function(me){
		me.src = me.src.replace('_out.gif','_over.gif');
	},
	out: function(me){
		me.src = me.src.replace('_over.gif','_out.gif');
	},
	changeVer: function(toLang){
		var newLoca = location.href.toString();
		switch(langId){
			case 0:
			case 1:
				lang = langs[langId];
				if(toLang=='s'){
					newLoca = newLoca.replace('cargo','cargo_chs');
					toLang = 'c';
				}
				break;
			case 2:
				newLoca = newLoca.replace('cargo_chs','cargo');
				lang = 'c';
				break;
		}
		location.href = newLoca.replace('_'+lang+'.htm','_'+toLang+'.htm');
	}
}