/* イメージオブジェクト */
function class_imglib(){
	this.preloadImg = new Array();
	this.setObj = setObj;
	this.changeSrc = changeSrc;
	this.getTargetObj = getTargetObj;
	
	function setObj(pid,srcPath){
		this.preloadImg[pid] = new Image();
		this.preloadImg[pid].src = srcPath;
	}
	function getTargetObj(id){
		//return (document.getElementById(id) ? document.getElementById(id) : document.images[id]);
		return document.images[id];
	}
	function changeSrc(obj,pid){
		var id = (typeof(obj.id) != 'undefined' ? obj.id : obj);
		if(typeof(this.getTargetObj(id)) != 'undefined' && typeof(this.preloadImg[pid]) != 'undefined'){
			(this.getTargetObj(id)).src = this.preloadImg[pid].src;
		}
	}
}
var img_obj = new class_imglib();
function img_set(){
	img_obj.setObj(arguments[0],arguments[1]);
}
function img_change(){
	img_obj.changeSrc(arguments[0],arguments[1]);
}
function img_onmouseoverhandler(){
	img_obj.changeSrc(this.id,(this.id + ':mouseover'));
}
function img_onmouseouthandler(){
	img_obj.changeSrc(this.id,(this.id + ':mouseout'));
}
function img_sethandler(id,movr,mout){
	if(document.getElementById){
		if(document.getElementById(id) != null){
			img_set(id + ':mouseover', movr);
			img_set(id + ':mouseout' , mout);
			document.getElementById(id).onmouseover = img_onmouseoverhandler;
			document.getElementById(id).onmouseout  = img_onmouseouthandler;
		}
	}
}

/* ウィンドウ&ロケーション */
function win_open(){
	if(arguments[0]){
		var url = arguments[0];
		var tgt = (arguments[1] ? arguments[1] : '_self');
		var prp = '';
		if(arguments.length > 3){
			var scroll = (arguments[2] ? 1 : 0);
			var resize = (arguments[3] ? 1 : 0);
			var width = (arguments[4] > 100 ? arguments[4] : 100);
			var height = (arguments[5] > 100 ? arguments[5] : 100);
			prp = 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=1,width=' + width + ',height=' + height;
		}
		else if(arguments[2] != null){
			prp = arguments[2];
		}
		
		(arguments[2] ? arguments[2] : '');
		var newWin = new Object();
		if(prp) newWin = window.open(url,tgt,prp);
		else newWin = window.open(url,tgt);
		newWin.focus();
	}
}