// マウスオーバーで画像切り替え
var outImgName = "_off";
var overImgName = "_on";
var preload = new Array();

window.onload = function(){

	if(document.getElementsByTagName){
		var imgTagData = document.getElementsByTagName("img");
		var reOverImg = new RegExp(outImgName + "+(\.[a-z]+)$");
		var reOutImg = new RegExp(overImgName + "+(\.[a-z]+)$");

		for(i=0; i<imgTagData.length; i++){
			if(imgTagData[i].getAttribute("src").match(reOverImg)){
				preload[i] = new Image();
				preload[i].src = imgTagData[i].getAttribute("src").replace(reOverImg, overImgName + "$1");

				imgTagData[i].onmouseover = function() {
					this.setAttribute("src", this.getAttribute("src").replace(reOverImg, overImgName + "$1"));
				}

				imgTagData[i].onmouseout = function() {
					this.setAttribute("src", this.getAttribute("src").replace(reOutImg, outImgName + "$1"));
				}
			}
		}
	}


	if(document.getElementsByTagName){
		var aTagData = document.getElementsByTagName("a");

		for(var i=0; i<aTagData.length; i++){
		//alert(aTagData[i].getAttribute("href"));
		var address = aTagData[i].getAttribute("href");
		
			if(address.match(/index_s/)){//アドレスにindex_sという文字列があれば以下を実行する
				aTagData[i].onclick = function(){ 
					var url = this.getAttribute("href");
					var win = window.open(url, 'pop', 'scrollbars=yes,resizable=yes,menubar=no,width=780,height=600');	
					win.focus();
					return false;
				}
			}
			if(address.match(/index_w/)){//アドレスにindex_wという文字列があれば以下を実行する
				aTagData[i].onclick = function(){
					var url = this.getAttribute("href");
					var win = window.open(url, 'pop', 'scrollbars=yes,resizable=yes,menubar=no,width=780,height=600');	
					win.focus();
					return false;
				}
			}
		else if(address.match(/index_r/)){//アドレスにindex_rという文字列があれば以下を実行する
				aTagData[i].onclick = function(){
					var url = this.getAttribute("href");
					var win = window.open(url, 'pop', 'scrollbars=yes,resizable=yes,menubar=no,width=780,height=600');	
					win.focus();
					return false;
				}
			}
		}
	}


}