// JavaScript Document
//Function trim a string
    /*
    * 剪去空格
    * 
    */
	function trim(Str , Flag)
	{
	
		Str	= ""+Str;
		if( Flag == "l" || Flag == "L" )/*trim left side only*/
		{
			RegularExp	= /^\s+/gi;
			return Str.replace( RegularExp,"" );
		}
		else if( Flag == "r" || Flag == "R" )/*trim right side only*/
		{
			RegularExp	= /\s+$/gi;
			return Str.replace( RegularExp,"" );
		}
		else/*defautly, trim both left and right side*/
		{
			RegularExp	= /^\s+|\s+$/gi;
			return Str.replace( RegularExp,"" );
		}
	}

    /*
    * 检查是否包含以下字符串
    * 
    */
	function hasSpecSymbol(str,bEmpty){
		if(str==null||trim(str)=="")
			return bEmpty;		//alert(name+"项：您尚未填写。");
			
		var str	= trim(str);
		
		for (var i = 0; i < str.length; i++) { 
			var ch = str.charAt(i); 
			if ((ch == "`" )|| (ch == "~" )||(ch == "!" )||(ch == "@" )||
				(ch == "#" )||(ch == "%" )||(ch == "^" )||(ch == "&" )||
				(ch == "*" )||(ch == "(" )||(ch == ")" )||(ch == "-" )||
				(ch == "+" )||(ch == "=" )||(ch == "|" )||(ch == "{" )||
				(ch == "}" )||(ch == "[" )||(ch == "]" )||(ch == ":" )||
				(ch == ";" )||(ch == "'" )||(ch == '"' )||(ch == "<" )||
				(ch == ">" )||(ch == "," )||(ch == "." )||(ch == "\\" )||(ch == "?" )||
				(ch == "/" )) { 
				return false; 
			} 
		} 
		
	    return true; 		
	}

    /*
    * 检查Email是否合法
    * 
    */
	function checkEmail(it)
    {
        var temp = true;
        var caseStr = it;
        var patternCase = /\w+@\w+\.\w/;
        
		return patternCase.test(caseStr);
    }