/* ======================================
	** 名称：common.js
	** 功能：前台检测文件
	** 作者：intereye
	** 信箱：inteye@163.com
	** 网站：http://www.inteye.net
	** BLOG：http://csdn.blog.com/intereye
	** =====================================*/
	
	function MM_openBrWindow(theURL,winName,features)
	{
 		window.open(theURL,winName,features+',resizable=yes');
	}
	
	function checkdata(field,formname,valuestr)
	{
		if(Jtrim(field) == "")
		{
			alert("请输入"+valuestr+"再进行提交！");
			return false;
		}
		return true;
	}

	function passformat(string) {

    if (string =="") string = "0";

    valid = '0123456789abcdefghijklmnqporstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ_';
    for (var i=0; i< string.length; i++) {
        if (valid.indexOf(string.charAt(i)) == -1) {
            return false;
        }
    }
    	return true;
	}
	
	function Jtrim(str)
	{
	  var i = 0;
	  var len = str.length;
	  if ( str == "" ) return( str );
	  j = len -1;
	  flagbegin = true;
	  flagend = true;
	  while(( flagbegin == true) && (i< len))
	  {
	     if( str.charAt(i) == " " )
	     {
			   i=i+1;
	       flagbegin=true;
	     }else{
	       flagbegin=false;
	     }
	  }
	  while((flagend== true) && (j>=0))
	  {
			if (str.charAt(j)==" ")
			{
		    j=j-1;
	      flagend=true;
	    }else{
	      flagend=false;
			}
	  }
  	if ( i > j ) return ("");
  		trimstr = str.substring(i,j+1);
  		return trimstr;
	}

	function isNumber(string)
	{
    if (string =="") string = "0";
    valid = '0123456789';
    for (var i=0; i< string.length; i++)
    {
        if (valid.indexOf(string.charAt(i)) == -1)
        {
            return false;
        }
    }
   	return true;
	}
	
	function del()
	{
		var flag=true;
		var temp="";
		var tmp;
		var keyword=form1.keyword.value;
		var page=form1.page.value;
		var ftype=form1.ftype.value;
		if((form1.id_list.length+"")=="undefined")
		{
			tmp = 1
		}else{
			tmp = form1.id_list.length
		}
		if (tmp==1){
			if (form1.id_list.checked)
			{
		  	flag=false;
		  	temp=form1.id_list.value
			}
		}else{
			for (i=0;i<form1.id_list.length;i++)
			{
				if (form1.id_list[i].checked)
				{
					if (temp=="")
					{
						flag=false;
						temp=form1.id_list[i].value
					}else{
						flag=false;
						temp = temp +","+ form1.id_list[i].value
					}
				}
			}
	 	}
	 	 	
		if (flag)
		{
			alert("对不起，你还没有选择！");
		}else{
	  	if (confirm("删除后不可恢复，确定吗？"))
	  	{
	  		window.location="?action=del&id="+temp+"&keyword="+keyword+"&page="+page+"&ftype="+ftype;
	  		return false;
	   	}else{
	   		return false;
	   	}
		}
	return !flag;
	}
	
	function CheckAll(theForm)
	{
		for (var i=0;i<theForm.elements.length;i++)
		{
		  var e = theForm.elements[i];
		  if (e.disabled != true)
		     e.checked = theForm.checkall.checked;
		}
	}
	
	function openScript(url, width, height)
	{
  	var Win = window.open(url,"openScript",'width=' + width + ',height=' + height + ',resizable=0,scrollbars=yes,top=20,menubar=no,status=no' );
	}