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<div id="idOuterDiv" class="CsOuterDiv">
</div>
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function dragFunc(id) {
    var Drag = document.getElementById(id);
    Drag.onmousedown = function(event) {
        var ev = event || window.event;
        event.stopPropagation();
        var disX = ev.clientX - Drag.offsetLeft;
        var disY = ev.clientY - Drag.offsetTop;
        document.onmousemove = function(event) {
            var ev = event || window.event;
            Drag.style.left = ev.clientX - disX + "px";
            Drag.style.top = ev.clientY - disY + "px";
            Drag.style.cursor = "move";
        };
    };
    Drag.onmouseup = function() {
        document.onmousemove = null;
        this.style.cursor = "default";
    };
};
dragFunc("idOuterDiv");
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