// JavaScript Document
function prosearch()
{
  if(document.searchpro.key.value==""){
 alert("请输入关键字！");
 document.searchpro.key.focus();
 return false;
 }
return true;
}


function MM_CheckFlashVersion(reqVerStr,msg){
  with(navigator){
    var isIE  = (appVersion.indexOf("MSIE") != -1 && userAgent.indexOf("Opera") == -1);
    var isWin = (appVersion.toLowerCase().indexOf("win") != -1);
    if (!isIE || !isWin){  
      var flashVer = -1;
      if (plugins && plugins.length > 0){
        var desc = plugins["Shockwave Flash"] ? plugins["Shockwave Flash"].description : "";
        desc = plugins["Shockwave Flash 2.0"] ? plugins["Shockwave Flash 2.0"].description : desc;
        if (desc == "") flashVer = -1;
        else{
          var descArr = desc.split(" ");
          var tempArrMajor = descArr[2].split(".");
          var verMajor = tempArrMajor[0];
          var tempArrMinor = (descArr[3] != "") ? descArr[3].split("r") : descArr[4].split("r");
          var verMinor = (tempArrMinor[1] > 0) ? tempArrMinor[1] : 0;
          flashVer =  parseFloat(verMajor + "." + verMinor);
        }
      }
      // WebTV has Flash Player 4 or lower -- too low for video
      else if (userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 4.0;

      var verArr = reqVerStr.split(",");
      var reqVer = parseFloat(verArr[0] + "." + verArr[2]);
  
      if (flashVer < reqVer){
        if (confirm(msg))
          window.location = "http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash";
      }
    }
  } 
}
var intervalId = null;
function slideAd(id,nStayTime,sState,nMaxHth,nMinHth){
	this.stayTime=nStayTime*1000 || 3000;
	this.maxHeigth=nMaxHth || 200; //广告最大高度
	this.minHeigth=nMinHth || 1;
	this.state=sState || "down" ;
	var obj = document.getElementById(id);
	if(intervalId != null)window.clearInterval(intervalId);
	function openBox(){
		var h = obj.offsetHeight;
		obj.style.height = ((this.state == "down") ? (h +5 ) : (h - 5))+"px";
		if(obj.offsetHeight>this.maxHeigth){
			window.clearInterval(intervalId);
			intervalId=window.setInterval(closeBox,this.stayTime);
		}
		if (obj.offsetHeight<this.minHeigth){
			window.clearInterval(intervalId);
			obj.style.display="none";
		}
	}
	function closeBox(){
		slideAd(id,this.stayTime,"up",nMaxHth,nMinHth);
	}
	intervalId = window.setInterval(openBox,2);
}