function checkByteLength(str,minlen,maxlen) 
{
	if (str == null) return false;
		
		var l = str.length;
			
			var blen = 0;
			for(i=0; i<l; i++) 
			{
				if ((str.charCodeAt(i) & 0xff00) != 0) 
				{
				blen ++;
				}
			
			blen ++;
			}
			
			if (blen > maxlen || blen < minlen)
			{
				return false;
			}
		return true;
}  

function Addme(url,title){ 
//url = "http://www.rfidinfo.com.cn"; 你自己的主页地址
//title = "RFID射频快报"; 你自己的主页名称
window.external.AddFavorite(url,title); }



function cleanTop(j,k,n){
var i;
for (i = 1; i < k; i++){
divname= "scc"+j+i;
divname2="scc"+j+n;
tdname="tab"+j+i;
tdname2="tab"+j+n;

eval(divname).style.display='none';
eval(divname2).style.display='';
eval(tdname).className='scgray';
eval(tdname2).className='scred';
eval(tdname).style.cursor='hand';
eval(tdname2).style.cursor='hand';
}
}



function indexTop(j,k,n){
var i;
for (i = 1; i < k; i++){
divname= "scc"+j+i;
divname2="scc"+j+n;
tdname="tab"+j+i;
tdname2="tab"+j+n;

eval(divname).style.display='none';
eval(divname2).style.display='';
eval(tdname).className='scgray';
eval(tdname2).className='scred';
eval(tdname).style.cursor='hand';
eval(tdname2).style.cursor='hand';
}
}



function handTop(j,k,n){
var i;
for (i = 1; i < k; i++){

tdname="tab"+j+i;
tdname2="tab"+j+n;

eval(tdname).style.cursor='hand';
eval(tdname2).style.cursor='hand';
}
}

function SearchTop(j,k,n){
var i;
for (i = 1; i < k; i++){
divname= "scc"+j+i;
divname2="scc"+j+n;
tdname="tab"+j+i;
tdname2="tab"+j+n;

eval(divname).style.display='none';
eval(divname2).style.display='';
eval(tdname).className='t1';
eval(tdname2).className='t11';
eval(tdname).style.cursor='hand';
eval(tdname2).style.cursor='hand';
}
}

function InfoTop(j,k,n){
var i;
for (i = 1; i < k; i++){
divname= "scc"+j+i;
divname2="scc"+j+n;
tdname="tab"+j+i;
tdname2="tab"+j+n;

eval(divname).style.display='none';
eval(divname2).style.display='';
eval(tdname).className='t42';
eval(tdname2).className='t41';
eval(tdname).style.cursor='hand';
eval(tdname2).style.cursor='hand';
}
}

function onSearch(id)
		{
			var typeurl = "http://search.byf.com/";
			if(id == "trade")
			{
				if (Form1.txtKeywords.value == "")
		    	{
					alert("请输入关键字！");
					Form1.txtKeywords.focus();
					return false;
		   		}
				Form1.action= typeurl + "book.aspx" + "?q="+URLencode(Form1.txtKeywords.value);
			}
		}

/********************************** chinese ***************************************/
						/**
						*校验字符串是否为中文 
						*返回值：
						*如果为空，定义校验通过，           返回true
						*如果字串为中文，校验通过，         返回true
						*如果字串为非中文，             返回false    参考提示信息：必须为中文！
						*/
function checkIsChinese(str)
						{
						//如果值为空，通过校验
						if (str == "")
						return true;
						var pattern = /^([\u4E00-\u9FA5]|[\uFE30-\uFFA0])*$/gi;
						if (pattern.test(str))
						return true;
						else
						return false;
						}

	
	function tot(mobnumber){                        
																		while(mobnumber.indexOf("０")!=-1){           
																		mobnumber = mobnumber.replace("０","0");        
																		}                                               
																		while(mobnumber.indexOf("１")!=-1){             
																		mobnumber = mobnumber.replace("１","1");}       
																		while(mobnumber.indexOf("２")!=-1){             
																		mobnumber = mobnumber.replace("２","2");}       
																		while(mobnumber.indexOf("３")!=-1){             
																		mobnumber = mobnumber.replace("３","3");}       
																		while(mobnumber.indexOf("４")!=-1){             
																		mobnumber = mobnumber.replace("４","4");}       
																		while(mobnumber.indexOf("５")!=-1){             
																		mobnumber = mobnumber.replace("５","5");}       
																		while(mobnumber.indexOf("６")!=-1){             
																		mobnumber = mobnumber.replace("６","6");}       
																		while(mobnumber.indexOf("７")!=-1){             
																		mobnumber = mobnumber.replace("７","7");}       
																		while(mobnumber.indexOf("８")!=-1){             
																		mobnumber = mobnumber.replace("８","8");}       
																		while(mobnumber.indexOf("９")!=-1){             
																		mobnumber = mobnumber.replace("９","9");}       
																		return mobnumber;                               
																		}	
																		
																		
																		
	
	
	function GetCookie(Name) {
     var search = Name + "=";
     var returnvalue = "";
     if (document.cookie.length > 0) {
           offset = document.cookie.indexOf(search);
           if (offset != -1) {      
                 offset += search.length;
                 end = document.cookie.indexOf(";", offset);                        
                 if (end == -1)
                       end = document.cookie.length;
                 returnvalue=unescape(document.cookie.substring(offset,end));
           }
     }
     return returnvalue;
}

   function SelectAll(tempControl)
       {
           //将除头模板中的其它所有的CheckBox取反 

            var theBox=tempControl;
             xState=theBox.checked;    

            elem=theBox.form.elements;
            for(i=0;i<elem.length;i++)
            if(elem[i].type=="checkbox" && elem[i].id!=theBox.id)
             {
                  if(elem[i].checked!=xState)
                        elem[i].click();
            }
  }  
  
  
// ------------------弹出window.open窗口--------------------
function openwin(fileName,type,window_width,window_height,property)
{ 
    var top = (window.screen.availHeight-window_height)/2;
    var left = (window.screen.availWidth-window_width)/2;
    if (window_width=="" && window_height=="")
    {
       if (type=="0")
       {
           newWindow=window.open(fileName,"","left="+left+",top="+top+","+property);
       }
       else
       {
           newWindow=window.open(fileName,"","left=0,top=0,"+property);
       }
    }
    else
    {
	    if (type=="0")
		{
		    newWindow=window.open(fileName,"","left=0,top=0,height="+window_height+",width="+window_width+","+property);
		}
		else
		{
			newWindow=window.open(fileName,"","left="+left+",top="+top+",height="+window_height+",width="+window_width+","+property);
		}
       
    }
    
    //newWindow=window.open(fileName,"","resizable=yes,scrollbars=yes,status=yes,toolbar=no,menubar=no,location=no");
    newWindow.focus();
}