// JavaScript Document

//++++++++++++++++++++++++++++++++++++++++++++++++++++++*
// Distribution of search keyword
//++++++++++++++++++++++++++++++++++++++++++++++++++++++*
//　
//　■Muu
//　・MULE_VALENTINE
//　http://mule-valentine.chu.jp/
//　ver1.0 2011/02/22
//　
//++++++++++++++++++++++++++++++++++++++++++++++++++++++*
/*@cc_on _d=document;eval('var document=_d')@*/
//++++++++++++++++++++++++++++++++++++++++++++++++++++++*
//  開始
//++++++++++++++++++++++++++++++++++++++++++++++++++++++**

if(window.addEventListener) {
	window.addEventListener("load", distributes, false);
}else if(window.attachEvent) {
	window.attachEvent("onload", distributes);
}else {
	window.onload = distributes;
};


//++++++++++++++++++++++++++++++++++++++++++++++++++++++*
// メイン部
//++++++++++++++++++++++++++++++++++++++++++++++++++++++*

function distributes(){

		var myDate = new Date();
		var min = myDate.getSeconds();


	if (document.referrer){
		var ref = document.referrer;//ハイパーリンクの取得
		
		var enc = decodeURI(ref);//urlのエンコード


		if (enc.match(/現場代理人/i)){
			document.getElementById('keyword').innerHTML = '<a href="/genba.html"><img src="images/banners/bnr_top_c2.gif" alt="現場代理人"></a>';
		}else if(enc.match(/原価低減/i)){
			document.getElementById('keyword').innerHTML = '<a href="/genka.html"><img src="images/banners/bnr_top_c1.gif" alt="原価低減"></a>';
		}else if(enc.match(/WEB活用/i)){
			document.getElementById('keyword').innerHTML = '<a href="/web/index.html"><img src="images/banners/bnr_top_c0.gif" alt="WEB活用"></a>';
		}else if(enc.match(/技術提案/i)){
			document.getElementById('keyword').innerHTML = '<a href="/gijyutu.html"><img src="images/banners/bnr_top_c3.gif" alt="技術提案"></a>';
		}else{

			if(0 == min % 4){
				document.getElementById('keyword').innerHTML = '<a href="/gijyutu.html"><img src="images/banners/bnr_top_c3.gif" alt="技術提案"></a>';
			}else if(0 == min % 7){
				document.getElementById('keyword').innerHTML = '<a href="/web/index.html"><img src="images/banners/bnr_top_c0.gif" alt="WEB活用"></a>';
			}else if(0 == min % 9){
				document.getElementById('keyword').innerHTML = '<a href="/genka.html"><img src="images/banners/bnr_top_c1.gif" alt="原価低減"></a>';
			}else{
				document.getElementById('keyword').innerHTML = '<a href="/genba.html"><img src="images/banners/bnr_top_c2.gif" alt="現場代理人"></a>';
			};//end if
			//document.getElementById('keyword').innerHTML = '<a href="/wp/?p=72"><img src="images/top_keyword_img/header_image01.jpg"></a>';

		};
	}else{
			if(0 == min % 4){
				document.getElementById('keyword').innerHTML = '<a href="/gijyutu.html"><img src="images/banners/bnr_top_c3.gif" alt="技術提案"></a>';
			}else if(0 == min % 7){
				document.getElementById('keyword').innerHTML = '<a href="/web/index.html"><img src="images/banners/bnr_top_c0.gif" alt="WEB活用"></a>';
			}else if(0 == min % 9){
				document.getElementById('keyword').innerHTML = '<a href="/genka.html"><img src="images/banners/bnr_top_c1.gif" alt="原価低減"></a>';
			}else{
				document.getElementById('keyword').innerHTML = '<a href="/genba.html"><img src="images/banners/bnr_top_c2.gif" alt="現場代理人"></a>';
			};//end if
	};
};