拖动层效果，兼容IE和FF!第1/2页

                    }
                    if('TR'==temp.tagName){
                        temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement;
                        temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement;
                        temp = (typeof temp.parentNode != "undefined")?temp.parentNode:temp.parentElement;
                    }

                    if (temp.className == "dragclass"){
                        if (window.opera){ document.getElementById("Q").focus(); }
                        dragok = true;
                        temp.style.zIndex = n++;
                        d = temp;
                        dx = parseInt(temp.style.left+0);
                        dy = parseInt(temp.style.top+0);
                        x = e.clientX;
                        y = e.clientY;
                        document.onmousemove = move;
                        return false;