function NvScroll() { 
this.version = "0.2"; 
this.name = "NvScroll"; 
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 = 100; 
this.width = 100; 
this.stopHeight=0; 
this.add =function () { 
var text = arguments[0]; 
this.item[this.itemcount] = text; 
this.itemcount = this.itemcount + 1; 
}; 
this.start = function () { 
this.display(); 
this.currentspeed = this.scrollspeed; 
setTimeout(this.name+'.scroll()',this.currentspeed); 
}; 
this.display =function () { 
	document.write('<div id="'+this.name+'" style="height:'+this.height+';width:'+this.width+';position:relative;overflow:hidden;" nullMouseOver="'+this.name+'.onmouseover();" nullMouseOut="'+this.name+'.onmouseout();">'); 
	for(var i = 0; i < this.itemcount; i++) { 
		if ( this.type == 1) { 
			document.write('<div id="'+this.name+'item'+i+'"style="left:0px;width:'+this.width+';position:absolute;top:'+(this.height*i+1)+'px;">'); 
			document.write(this.item[i]);document.write('</div>'); 
		} else if ( this.type == 2 ) { 
			document.write('<div id="'+this.name+'item'+i+'"style="left:'+(this.width*i+1)+'px;width:'+this.width+';position:absolute;top:0px;">'); 
			document.write(this.item[i]);document.write('</div>'); 
		} 
	} 
	document.write('</div>'); 
}; 
this.scroll = function () { 
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.stopHeight > 0 && this.stopHeight - parseInt(obj.top) == 0 ) ) this.currentspeed = this.pausedelay; 
} else if ( this.type == 2 ) { 
obj.left = parseInt(obj.left) - 1; 
if ( parseInt(obj.left) <= this.left*(-1) ) obj.left = this.left* (this.itemcount-1); 
if ( parseInt(obj.left) == 0 ) this.currentspeed = this.pausedelay; 
} 
} 
} 
window.setTimeout(this.name+".scroll()",this.currentspeed); 
}; 
this.onmouseover = function () { 
if ( this.pausemouseover ) {this.stop = true;} 
}; 
this.onmouseout = function () { 
if ( this.pausemouseover ) {this.stop = false;} 
}; 
}