左右拖动 改变大小

.resizeDivClass { position:relative; background-color:red; width:2; z-index:1; left:expression(this.parentElement.offsetWidth-1); cursor:e-resize; } function MouseDownToResize(obj){ obj.mouseDownX=event.clientX; obj.pareneTdW=obj.parentElement.offsetWidth; obj.pareneTableW=theObjTable.offsetWidth; obj.setCapture(); } function MouseMoveToResize(obj){ if(!obj.mouseDownX) return false; var newWidth=obj.pareneTdW*1+event.clientX*1-obj.mouseDownX; if(newWidth>0) { obj.parentElement.style.width = newWidth; theObjTable.style.width=obj.pareneTableW*1+event.clientX*1-obj.mouseDownX; } } function MouseUpToResize(obj){ obj.releaseCapture(); obj.mouseDownX=0; } 改变table的列宽度 aaa ddd ddd aaaa fdsa fda fdsa fdsa fdsa fdsa fdsa fda fdsa fdsafdsa fdsa fdsa abbbbdddd