/*JavaScript Bible, Fourth Editionby Danny Goodman John Wiley & Sons CopyRight 2001*/<HTML><HEAD><TITLE>Layer Resizing</TITLE><SCRIPT LANGUAGE="JavaScript">var engaged = falsevar offsetX = 0var offsetY = 0function resizeIt(evt) { evt = (evt) ? evt : (window.event) ? window.event : "" var targElem = (evt.target) ? evt.target : evt.srcElement if (targElem.className == "draggable") { if (engaged) { if (evt.pageX) { targElem.style.width = (evt.pageX - targElem.offsetLeft - offsetX) + "px" targElem.style.height = (evt.pageY - targElem.offsetTop - offsetY) + "px"} else { var elemWidth = evt.clientX - targElem.offsetLeft - offsetX - (parseInt(targElem.style.left) - parseInt(targElem.offsetLeft)) var elemHeight = evt.clientY - targElem.offsetTop - offsetY - (parseInt(targElem.style.top) - parseInt(targElem.offsetTop)) targElem.style.width = elemWidth + "px" targElem.style.height = elemHeight + "px" } } }}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") { if (evt.pageX && (evt.pageX > ((parseInt(targElem.style.width) - 20) + targElem.offsetLeft)) && (evt.pageY > ((parseInt(targElem.style.height) - 20) + targElem.offsetTop))) { offsetX = evt.pageX - parseInt(targElem.style.width) - targElem.offsetLeft offsetY = evt.pageY - parseInt(targElem.style.height) - targElem.offsetTop engaged = true } else if ((evt.offsetX > parseInt(targElem.style.width) - 20) && (evt.offsetY > parseInt(targElem.style.height) - 20)) { offsetX = evt.offsetX - parseInt(targElem.style.width) - document.body.scrollLeft offsetY = evt.offsetY - parseInt(targElem.style.height) - document.body.scrollTop engaged = true 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>Resizing a Layer (W3C)</H1><HR><DIV ID="myLayer" CLASS="draggable" STYLE="position:absolute; top:170; left:100; width:300; height:190; background-color:lightblue"><SPAN>Here is some content inside the layer. See what happens to it as you resize the layer via the bottom-right 20-pixel handle.</SPAN></DIV><SCRIPT LANGUAGE="JavaScript">document.onmousedown = engagedocument.onmouseup = releasedocument.onmousemove = resizeItdocument.onmouseout = release</SCRIPT></BODY></HTML>
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