/*JavaScript Bible, Fourth Editionby Danny Goodman John Wiley & Sons CopyRight 2001*/<HTML><HEAD><TITLE>Layer Dragging</TITLE><STYLE TYPE="text/css">.draggable {cursor:hand}</STYLE><SCRIPT LANGUAGE="JavaScript">var engaged = falsevar offsetX = 0var offsetY = 0function dragIt(evt) { evt = (evt) ? evt : (window.event) ? window.event : "" var targElem = (evt.target) ? evt.target : evt.srcElement if (engaged) { if (targElem.className == "draggable") { while (targElem.id != "myLayer" && targElem.parentNode) { targElem = targElem.parentNode } if (evt.pageX) { targElem.style.left = evt.pageX - offsetX + "px" targElem.style.top = evt.pageY - offsetY + "px" } else { targElem.style.left = evt.clientX - offsetX + "px" targElem.style.top = evt.clientY - offsetY + "px" }return false } }}function engage(evt) { evt = (evt) ? evt : (window.event) ? window.event : "" var targElem = (evt.target) ? evt.target : evt.srcElement if (targElem.className == "draggable") { while (targElem.id != "myLayer" && targElem.parentNode) { targElem = targElem.parentNode } if (targElem.id == "myLayer") { engaged = true if (evt.pageX) { offsetX = evt.pageX - targElem.offsetLeft offsetY = evt.pageY - targElem.offsetTop } else { offsetX = evt.offsetX - document.body.scrollLeft offsetY = evt.offsetY - document.body.scrollTop if (navigator.userAgent.indexOf("Win") == -1) { offsetX += document.body.scrollLeft offsetY += document.body.scrollTop } } return false } }}function release(evt) { evt = (evt) ? evt : (window.event) ? window.event : "" var targElem = (evt.target) ? evt.target : evt.srcElement if (targElem.className == "draggable") { while (targElem.id != "myLayer" && targElem.parentNode) { targElem = targElem.parentNode } if (engaged && targElem.id == "myLayer") { engaged = false } }}</SCRIPT></HEAD><BODY><H1>Dragging a Layer</H1><HR><DIV ID="myLayer" CLASS="draggable" STYLE="position:absolute; top:90; left:100; width:300; height:190; background-color:lightgreen"> <SPAN CLASS="draggable"><B>Drag me around the window.</B></SPAN></LAYER><SCRIPT LANGUAGE="JavaScript">document.onmousedown = engagedocument.onmouseup = releasedocument.onmousemove = dragItdocument.onmouseout = release</SCRIPT></BODY></HTML>
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