实现了一个OA系统基本的功能

				
				var prox;
				var proy;
				var proxc;
				var proyc;
				function show(id){/*--打开--*/
				clearInterval(prox);
				clearInterval(proy);
				clearInterval(proxc);
				clearInterval(proyc);
				var o = document.getElementById(id);
				o.style.display = "block";
				o.style.width = "1px";
				o.style.height = "1px"; 
				prox = setInterval(function(){openx(o,600)},10);
				} 
				function openx(o,x){/*--打开x--*/
				var cx = parseInt(o.style.width);
				if(cx < x)
				{
				o.style.width = (cx + Math.ceil((x-cx)/5)) +"px";
				}
				else
				{
				clearInterval(prox);
				proy = setInterval(function(){openy(o,500)},10);
				}
				} 
				function openy(o,y){/*--打开y--*/ 
				var cy = parseInt(o.style.height);
				if(cy < y)
				{
				o.style.height = (cy + Math.ceil((y-cy)/5)) +"px";
				}
				else
				{
				clearInterval(proy); 
				}
				} 
				function closeed(id){/*--关闭--*/
				clearInterval(prox);
				clearInterval(proy);
				clearInterval(proxc);
				clearInterval(proyc); 
				var o = document.getElementById(id);
				if(o.style.display == "block")
				{
				proyc = setInterval(function(){closey(o)},10); 
				} 
				} 
				function closey(o){/*--打开y--*/ 
				var cy = parseInt(o.style.height);
				if(cy > 0)
				{
				o.style.height = (cy - Math.ceil(cy/5)) +"px";
				}
				else
				{
				clearInterval(proyc); 
				proxc = setInterval(function(){closex(o)},10);
				}
				} 
				function closex(o){/*--打开x--*/
				var cx = parseInt(o.style.width);
				if(cx > 0)
				{
				o.style.width = (cx - Math.ceil(cx/5)) +"px";
				}
				else
				{
				clearInterval(proxc);
				o.style.display = "none";
				}
				} 
				
				
				/*-------------------------鼠标拖动---------------------*/ 
				var od = document.getElementById("fd"); 
				var dx,dy,mx,my,mouseD;
				var odrag;
				var isIE = document.all ? true : false;
				document.onmousedown = function(e){
				var e = e ? e : event;
				if(e.button == (document.all ? 1 : 0))
				{
				mouseD = true; 
				}
				}
				document.onmouseup = function(){
				mouseD = false;
				odrag = "";
				if(isIE)
				{
				od.releaseCapture();
				od.filters.alpha.opacity = 100;
				}
				else
				{
				window.releaseEvents(od.MOUSEMOVE);
				od.style.opacity = 1;
				} 
				}
				
				
				//function readyMove(e){ 
				od.onmousedown = function(e){
				odrag = this;
				var e = e ? e : event;
				if(e.button == (document.all ? 1 : 0))
				{
				mx = e.clientX;
				my = e.clientY;
				od.style.left = od.offsetLeft + "px";
				od.style.top = od.offsetTop + "px";
				if(isIE)
				{
				od.setCapture(); 
				od.filters.alpha.opacity = 50;
				}
				else
				{
				window.captureEvents(Event.MOUSEMOVE);
				od.style.opacity = 0.5;
				}
				
				//alert(mx);
				//alert(my);
				
				} 
				}
				document.onmousemove = function(e){
				var e = e ? e : event;
				
				//alert(mrx);
				//alert(e.button); 
				if(mouseD==true && odrag)
				{ 
				var mrx = e.clientX - mx;
				var mry = e.clientY - my; 
				od.style.left = parseInt(od.style.left) +mrx + "px";
				od.style.top = parseInt(od.style.top) + mry + "px"; 
				mx = e.clientX;
				my = e.clientY;
				
				}
				}