function NewsSlide() {

	this.name = "NewsSlide";
	this.item = new Array();
	this.itemcount = 0;
	this.currentspeed = 0;
	this.scrollspeed = 50;
	this.pausedelay = 1000;
	this.pausemouseover = false;
	this.stop = false;
	this.type = 1;
	this.height = 210;
	this.width = 238;
	this.stopHeight=0;
	this.i=0;

	this.add = function () {

    if (!arguments[0]) {

        var url1 = "#";
        var img1 = g4_path + "/design/img/icon_Noimg238x180.gif";
        var title1 = "登録された記事がありません。";

    } else {

    		var url1 = arguments[0];
    		var img1 = arguments[1];
    		var title1 = arguments[2];

    }

    strHTML = "<table width='238' border='0' cellspacing='0' cellpadding='0'>";
    strHTML += "<tr>";
    strHTML += "<td colspan='3' align='center'><a href='"+url1+"'><img src='"+img1+"' width='238' height='180' border='0' align='absmiddle'></a></td>";
    strHTML += "</tr>";
    strHTML += "<tr><td colspan='3' height='8'></td></tr>";
    strHTML += "<tr height='20'>";
    strHTML += "<td width='15' align='center'><a href='javascript:Ns_img.uprev();'><img src='"+g4_path+"/design/img/btn_slide01.gif' width='12' height='12' align='absmiddle' border='0' onmouseover='Ns_img.onmouseover();' onmouseout='Ns_img.onmouseout();'></a></td>";
    strHTML += "<td width='208' align='center'><a href='"+url1+"'>"+title1+"</a></td>";
    strHTML += "<td width='15' align='center'><a href='javascript:Ns_img.unext();'><img src='"+g4_path+"/design/img/btn_slide02.gif' width='12' height='12' align='absmiddle' border='0' onmouseover='Ns_img.onmouseover();' onmouseout='Ns_img.onmouseout();'></a></td>";
    strHTML += "</tr>";
    strHTML += "</table>";

		this.item[this.itemcount] = strHTML;
		this.itemcount = this.itemcount + 1;
	};


	this.start = function () {
		if ( this.itemcount == 1 ) {
			this.add(this.item[0]);
		}
		this.display();
		this.currentspeed = this.scrollspeed;
		if ( this.type == 1 || this.type == 2 ) {
			this.stop = true;
			setTimeout(this.name+'.scroll()',this.currentspeed);
			window.setTimeout(this.name+".stop = false", this.pausedelay);
		} else if ( this.type == 3 ) {
			this.stop = true;
			setTimeout(this.name+'.rolling()',this.currentspeed);
			window.setTimeout(this.name+".stop = false", this.pausedelay);
		}
	};

	this.display = function () {
		document.write('<div id="'+this.name+'" style="height:'+this.height+'; width:'+this.width+'; position:relative; overflow:hidden; " OnMouseOver="'+this.name+'.onmouseover(); " OnMouseOut="'+this.name+'.onmouseout(); ">');
		for(var i = 0; i < this.itemcount; i++) {
			document.write('<div id="'+this.name+'item'+i+'"style="left:'+(this.width*i)+'px; width:'+this.width+'; position:absolute; top:0px; ">');
			document.write(this.item[i]);
			document.write('</div>');
		}
		document.write('</div>');
	};

	this.scroll = function () {

		if ( this.pause == true ) {

			window.setTimeout(this.name+".scroll()",this.pausedelay);
			this.pause = false;

		} else {

			this.currentspeed = this.scrollspeed;
			if ( !this.stop ) {
				for (i = 0; i < this.itemcount; i++) {
					obj = document.getElementById(this.name+'item'+i).style;
					if ( this.type == 1 ) {
						obj.top = parseInt(obj.top) - 1;
						if ( parseInt(obj.top) <= this.height * (-1) ) obj.top = this.height * (this.itemcount-1);
						if ( parseInt(obj.top) == 0 ) this.currentspeed = this.pausedelay;
					} else if ( this.type == 2 ) {
						obj.left = parseInt(obj.left) - 1;
						if ( parseInt(obj.left) <= this.width * (-1) ) obj.left = this.width * (this.itemcount-1);
						if ( parseInt(obj.left) == 0 ) this.currentspeed = this.pausedelay;
					}
				}
			}
			window.setTimeout(this.name+".scroll()",this.currentspeed);
		}
	};

	this.rolling = function () {
		if ( this.stop == false  ) {
			this.next();
		}
		window.setTimeout(this.name+".rolling()",this.scrollspeed);
	}

	this.onmouseover = function () {
		if ( this.pausemouseover ) {
			this.stop = true;
		}
	};

	this.onmouseout = function () {
		if ( this.pausemouseover ) {
			this.stop = false;
		}
	};
	this.next = function() {
		for (i = 0; i < this.itemcount; i++) {
			obj = document.getElementById(this.name+'item'+i).style;
			if ( parseInt(obj.left) < 1 ) { 
				width = this.width + parseInt(obj.left);
				break;
			}
		}

		for (i = 0; i < this.itemcount; i++) {
			obj = document.getElementById(this.name+'item'+i).style;
			if ( parseInt(obj.left) < 1 ) { 
				obj.left = this.width * (this.itemcount-1);
			} else {
				obj.left = parseInt(obj.left) - width;
			}
		}
	};

	this.prev = function() {
		for (i = 0; i < this.itemcount; i++) {
			obj = document.getElementById(this.name+'item'+i).style;
			if ( parseInt(obj.left) < 1 ) {
				width = parseInt(obj.left) * (-1);
				break;
			}
		}
		if ( width == 0 ) {
			total_width = this.width * (this.itemcount-1);
			for (i = 0; i < this.itemcount; i++) {
				obj = document.getElementById(this.name+'item'+i).style;
				if ( parseInt(obj.left) + 1 > total_width ) {
					obj.left = 0;
				} else {
					obj.left = parseInt(obj.left) + this.width;
				}
			}
		} else {
			for (i = 0; i < this.itemcount; i++) {
				obj = document.getElementById(this.name+'item'+i).style;
				if ( parseInt(obj.left) < 1 ) {
					obj.left = 0;
				} else {
					obj.left = parseInt(obj.left) + width;
				}
			}
		}
	};

	this.unext = function () {
		this.next();
	};

	this.uprev = function () {
		this.prev();
	};

}