/**
 * 字符到ascii:		"some word".charCodeAt()
 * ascii到字符:		String.fromCharCode(asciiCode);
 */
var StringUtils = {			
	char2Ascii	:	function(data){
						return data.charCodeAt();
					 },
	ascii2Char	:	function(data){
						 return String.fromCharCode(data);
					 },
	lTrim		:	function(data){
						 return data.replace(/(^\s*)/g,"");
					 },
	rTrim		:	function(data){
						 return data.replace(/(\s*$)/g,"");
					 },
	trim		:	function(data){
						 return data.replace(/(^\s*)|(\s*$)/g, "");
					 },
					 
   CheckSpecialString: function(str)
					 {
					 StringFilter = new Array ("'" ," " ,"\\", "@","$","&","=","+", ".", "?", ",","|", "/","<",">","{", "}","%","(", ")", "-", "_", "^", "!");//可以向StringFilter中添加要过滤的字符
					 i=StringFilter.length;
					 j=str.length;
					 for (k=0;k<i;k++)
					 {
					                for (m=0;m<j;m++)
					                {
					                 temp1=str.charAt(m);
					                 temp2=StringFilter[k];
					                 if (temp1==temp2)
					                 {
					                  return 0;
					                 }
					                }
					 }
					 return 1;
					 }
};