/* marquee */

var marqueeId	= null;
var marqueeObj	= null;
var marqueeOn	= false;
var marqueeCls	= new marqueeClass();

function marqueeStart (Obj) {
	if (marqueeOn) return;
	if (!Obj) return;
	if (!Obj.style) return;
	if (!Obj.style.width) return;

	if (Obj.scrollWidth > parseInt(Obj.style.width)) {
		marqueeCls.set(Obj);
		marqueeId	= setInterval('marqueeCls.scroll()',26);
	}
}

function marqueeEnd (Obj) {
	clearInterval(marqueeId);
	marqueeCls.init();
}

function marqueeClass() {
}

marqueeClass.prototype.set = function(Obj) {
	marqueeOn = true;
	marqueeObj = Obj;
	marqueeObj.style.overflow = "visible";
	marqueeObj.style.position = "relative";
	marqueeObj.style.paddingLeft = parseInt(marqueeObj.style.width);
	marqueeObj.style.paddingRight = parseInt(marqueeObj.style.width);
	marqueeObj.style.left = - (parseInt(marqueeObj.style.width));
	marqueeObj.style.color = "#000000";
}

marqueeClass.prototype.init = function() {
	marqueeOn = false;
	if (!marqueeObj) return;
	marqueeObj.style.overflow = "hidden";
	marqueeObj.style.paddingLeft = 0;
	marqueeObj.style.paddingRight = 0;
	marqueeObj.style.left = 0;
	marqueeObj.style.color = "#3e3e3e";
}

marqueeClass.prototype.scroll = function() {
	if (!marqueeObj) return;

	if (marqueeObj.scrollWidth + parseInt(marqueeObj.style.left) < parseInt(marqueeObj.style.width)) {
		marqueeObj.style.left = 0;
	} else {
		marqueeObj.style.left = parseInt(marqueeObj.style.left) - 1;
	}
}