var iCount //record last count
var bFlag
function sysinfo()
{
    var brows
	var s1,s2,l
	brows=navigator.appVersion
	l=brows.length
	s1=brows.indexOf("(")
	s2=brows.lastIndexOf(";")
	version_inf=brows.substring(0,s1)
	sys_name=brows.substring(s2+1,l-1)
	document.write("操作系统:"+sys_name+" 浏览器:"+navigator.appName+version_inf+" 分辨率:"+window.screen.width+"×"+window.screen.height)
	
}
function setCount(num)
{

    iCount=parseInt(num)
	
}
function selDisable()
{
    bFlag=1
    newitem=""
	newitem+="<select name=\"selectNum\"  size=\"1\" class=\"finput\" Disabled>"
    newitem=newitem+" <option >无效</option>" 
	newitem+="</select>"
	Layernum.innerHTML=newitem
}

function addnum(num)
{
	 
	if(document.all)
    {	
	      
            if (num=='0') 
            {
               bFlag=0
               k=iCount 
              }
            else
             {
                 k=num.length
                
	           	 k=parseInt(num.substring(k-2,k))
                 iCount=k
               }  
            if (bFlag==0)
           { 
	    newitem=""
	    newitem+="<select name=\"selectNum\"  size=\"1\" class=\"finput\">"
	   
           
		    for (i=1;i<=k;i++) 
                 {
		        if (i<10) strnum="0"+i
				else
				    strnum=i
	            newitem=newitem+" <option value=\""+strnum+"\">"+strnum+"</option>" 
				
	        }
	
		newitem+="</select>"
		Layernum.innerHTML=newitem
            }
	}

}	
function transitem()
{
   
	document.formType.submit()
	
}