var tfb={};
tfb.allowedLabels=["follow-me","follow-us","follow","my-twitter"];
tfb.defaultTop=300;
tfb.defaultColor="#35ccff";
tfb.isInArray=function(str,ar){
	if(ar.length<1)return;
	for(var i=0;i<ar.length;i++){
		if(ar[i]==str){
			return true;
			break;
		}
	}
	return false;
}
tfb.showbadge=function(){
	if(!window.XMLHttpRequest){
		return;
	}
	if(document.getElementById('twitterFollowBadge')){
		document.body.removeChild(document.getElementById('twitterFollowBadge'));
	}
	var wHeight = getBrowserHeight();
	tfb.top = wHeight/2 - 65;
//	if(tfb.top<0||tfb.top>1000||isNaN(tfb.top)){
//		tfb.top=tfb.defaultTop;
//	}
	if(!tfb.isInArray(tfb.label,tfb.allowedLabels)){
		tfb.label=tfb.allowedLabels[0];
	}
	var validColorPattern=/^#([a-f]|[A-F]|[0-9]){3}(([a-f]|[A-F]|[0-9]){3})?$/;
	if(!validColorPattern.test(tfb.color)||(tfb.color.length!=4&&tfb.color.length!=7)){
		tfb.color=tfb.defaultColor;
	};

	if(tfb.side!='l'){
		tfb.side='r';
	}

	tfb.tabStyleCode='position:fixed;'+'top:'+tfb.top+'px;'+'width:30px;'+'height:119px;'+'z-index:8765;'+'cursor:pointer;'+'background:'+tfb.color+' url(/img/sozai/twitter.png);'+'background-repeat:no-repeat;';
	//tfb.aboutStyleCode='position:fixed;'+'top:'+(parseInt(tfb.top)+107)+'px;'+'width:10px;'+'height:11px;'+'z-index:9876;'+'cursor:pointer;'+'background-repeat:no-repeat;';


	tfb.tabStyleCode+='right:0; background-position:left top;';
	//if(tfb.side=='l'){
		//tfb.tabStyleCode+='left:0; background-position:right top;';
		//tfb.aboutStyleCode+='left:0;';
	//}else{
		//tfb.tabStyleCode+='right:0; background-position:left top;';
		//tfb.aboutStyleCode+='right:0;';
	//}
	tfbMainDiv=document.createElement('div');
	tfbMainDiv.setAttribute('id','twitterFollowBadge');
	document.body.appendChild(tfbMainDiv);
	tfbMainDiv.innerHTML='<div id="tfbTab" style="'+tfb.tabStyleCode+'"></div><div id="tfbAbout" style="'+tfb.aboutStyleCode+'"></div>'+'<style>#tfbAbout{visibility:hidden;} #twitterFollowBadge:hover #tfbAbout{visibility:visible;}</style>';
	document.getElementById('tfbTab').onclick=function(){window.open('http://twitter.com/#!/'+tfb.account);}
	//document.getElementById('tfbAbout').onclick=function(){window.open('');}
}

function getBrowserHeight() {
    if ( window.innerHeight ) {
            return window.innerHeight;
    }
    else if ( document.documentElement && document.documentElement.clientHeight != 0 ) {
            return document.documentElement.clientHeight;
    }
    else if ( document.body ) {
            return document.body.clientHeight;
    }
    return 0;
}