Team:Tianjin/Resources/JS:Untitled1

var dir = 1; //每步移动像素，大＝快 var speed = 10; //循环周期（毫秒）大＝慢 var MyMar = null; function Marquee() { //正常移动

       var demo = document.getElementById("demo");
       var demo2 = document.getElementById("demo2");
       if (dir > 0 && (demo2.offsetWidth - demo.scrollLeft) <= 0) {
               demo.scrollLeft = 0;
       }
       if (dir < 0 && (demo.scrollLeft <= 0)) {
               demo.scrollLeft = demo2.offsetWidth;
       }
       demo.scrollLeft += dir;

} function onmouseoverMy() {

       window.clearInterval(MyMar);

} //暂停移动 function onmouseoutMy() {

       MyMar = setInterval(Marquee, speed);

} //继续移动 function r_left() {

       if (dir == -1) dir = 1;

} //换向左移 function r_right() {

       if (dir == 1) dir = -1;

} //换向右移 function IsIE() {

       var browser = navigator.appName
       if ((browser == "Netscape")) {
               return false;
       } else if (browser == "Microsoft Internet Explorer") {
               return true;
       } else {
               return null;
       }

}

var _IsIE = IsIE(); var _MousePX = 0; var _MousePY = 0; var _DivLeft = 0; var _DivRight = 0; var _AllDivWidth = 0; var _AllDivHeight = 0; function MoveDiv(e) {

       var obj = document.getElementById("demo");
       _MousePX = _IsIE ? (document.body.scrollLeft + event.clientX) : e.pageX;
       _MousePY = _IsIE ? (document.body.scrollTop + event.clientY) : e.pageY;
       //Opera Browser Can Support window.event and e.pageX
       var obj1 = null;
       if (obj.getBoundingClientRect) {
               //IE
               obj1 = document.getElementById("demo").getBoundingClientRect();
               _DivLeft = obj1.left;
               _DivRight = obj1.right;
               _AllDivWidth = _DivRight - _DivLeft;
       } else if (document.getBoxObjectFor) {
               //FireFox
               obj1 = document.getBoxObjectFor(obj);
               var borderwidth = (obj.style.borderLeftWidth != null && obj.style.borderLeftWidth != "") ? parseInt(obj.style.borderLeftWidth) : 0;
               _DivLeft = parseInt(obj1.x) - parseInt(borderwidth);
               _AllDivWidth = Cut_Px(obj.style.width);
               _DivRight = _DivLeft + _AllDivWidth;
       } else {
               //Other Browser(Opera)
               _DivLeft = obj.offsetLeft;
               _AllDivWidth = Cut_Px(obj.style.width);
               var parent = obj.offsetParent;
               if (parent != obj) {
                       while (parent) {
                               _DivLeft += parent.offsetLeft;
                               parent = parent.offsetParent;
                       }
               }
               _DivRight = _DivLeft + _AllDivWidth;
       }

       var pos1, pos2;
       pos1 = parseInt(_AllDivWidth * 0.4) + _DivLeft;
       pos2 = parseInt(_AllDivWidth * 0.6) + _DivLeft;

       if (_MousePX > _DivLeft && _MousePX < _DivRight) {
               if (_MousePX > _DivLeft && _MousePX < pos1) //Move left
               {
                       r_left();
               } else if (_MousePX < _DivRight && _MousePX > pos2) //Move right
               {
                       r_right();
               }

               if (_MousePX > pos1 && _MousePX < pos2) //Stop
               {
                       onmouseoverMy();
                       MyMar = null;
               } else if (_MousePX < pos1 || _MousePX > pos2) {
                       if (MyMar == null) {
                               MyMar = setInterval(Marquee, speed);
                       }
               }
       }

}

function Cut_Px(cswidth) {

       cswidth = cswidth.toLowerCase();
       if (cswidth.indexOf("px") != -1) {
               cswidth.replace("px", "");
               cswidth = parseInt(cswidth);
       }
       return cswidth;

}

function MoveOutDiv() {

       if (MyMar == null) {
               MyMar = setInterval(Marquee, speed);
       }

}