// JavaScript Document
<!--双击自动向下走-->
var currentpos,timer;

function initialize()
{
timer=setInterval("scrollwindow()",50);
}
function sc(){
clearInterval(timer);
}
function scrollwindow()
{
currentpos=document.body.scrollTop;
window.scroll(0,++currentpos);
if (currentpos != document.body.scrollTop)
sc();
}
document.onmousedown=sc
document.ondblclick=initialize
<!--双击自动向下走结束-->

<!--状态栏显示开始-->
var texto = "欢迎进入PRT世界，我们的美容项目：PRT_DrNano、PRT电美塑、PRT电光内雕、PRT电波拉皮..."
var pos = 0
function textoEstado(){
   pos = pos + 1
   textoActual = texto.substring(0,pos)
   window.status = textoActual
   if (pos == texto.length){
      pos = 0
      setTimeout("textoEstado()",3000)
   } else{
      setTimeout("textoEstado()",100)
   }
}
textoEstado()
<!--状态栏显示结束-->

<!--英派来项目变动开始-->

var i=0; 
bianbian=setInterval('Bianchang()',5000); //Bianchang(i);
function Bianchang()
{
if(i==0)
{i=1;}
  switch (i)
	{
	  case 1:
	    bian1.innerHTML='<a href="../china/prod3.asp" target="_blank"><IMG src="../china/img/电波拉皮_233.jpg" alt="电波拉皮项目" width=233 height=67 border=0></a>';
		bian2.innerHTML='<a href="../china/aspsongdms/prtctmsabout.asp" target="_blank"><IMG src="../china/img/电美塑_233.jpg" alt="电美塑项目" width=233 height=68 border=0></a>';
	    i=i+1;
	    break;
	  case 2:
	    bian1.innerHTML='<a href="../china/aspsongdms/prtctmsabout.asp" target="_blank"><IMG src="../china/img/电美塑_233.jpg" alt="电美塑项目" width=233 height=68 border=0></a>';
		bian2.innerHTML='<a href="../china/prod3.asp" target="_blank"><IMG src="../china/img/电光内雕_233.jpg" alt="电光内雕项目" width=233 height=67 border=0></a>';
		i=i+1;
		break;
	  case 3:
	    bian1.innerHTML='<a href="../china/prod3.asp" target="_blank"><IMG src="../china/img/电光内雕_233.jpg" alt="电光内雕项目" width=233 height=67 border=0></a>';
		bian2.innerHTML='<a href="../china/prod3.asp" target="_blank"><IMG src="../china/img/电波拉皮_233.jpg" alt="电波拉皮项目" width=233 height=67 border=0></a>';
		i=1;
		break;
	 }

  
}
<!--英派来项目变动开始-->


