//ÎÞ¼ä¾à¹ö¶¯Àà
/*
power by www.iebsoft.com
author: yagas
mail:yagas@163.com
*/
var marquee = function(root, row1, row2, style) {
    this.m_root = document.getElementById(root);
    this.m_row1 = document.getElementById(row1);
    this.m_row2 = document.getElementById(row2);
    this.m_style = style;

    this.m_root.style.overflow = "hidden";
    this.m_row2.innerHTML = this.m_row1.innerHTML;
}


marquee.prototype.scrolls = function() {
    switch (this.m_style) {
        case 0:
            if (this.m_row2.offsetHeight - this.m_root.scrollTop <= 0) {
                this.m_root.scrollTop -= this.m_row1.offsetHeight;
            } else {
                this.m_root.scrollTop++;
            }
            break;

        case 1:
            if (this.m_row2.offsetWidth - this.m_root.scrollLeft <= 0) {
                this.m_root.scrollLeft -= this.m_row1.offsetWidth;
            } else {
                this.m_root.scrollLeft++;
            }
            break;
    }
}

marquee.prototype.star = function(obj, speed) {
    var fm = function() {
        obj.scrolls();
    }
    var mt = setInterval(fm, speed);
    obj.m_root.onmouseover = function() {
        clearInterval(mt);
    }
    obj.m_root.onmouseout = function() {
        mt = setInterval(fm, speed);
    }

}