function toUpperCase(obj){
		var v = obj.value;
		obj.value = v.toUpperCase();
	}
	
	function delBlank(s)
	{
		var str = s.replace(/^\s*/,"").replace(/\s*$/,"");
		return str;
	}
	
	function quanjiao(obj)   
	{   
    	var str=obj.value;   
    	if (str.length>0)   
    	{   
        	for (var i = str.length-1; i >= 0; i--)   
        	{   
            	unicode=str.charCodeAt(i);   
            	if ((unicode>65280 && unicode<65375 ) || unicode ==12288 || unicode == 65507)   
            	{   
                	alert("不能输入全角字符,请输入半角字符");
                	obj.value=str.substr(0,i);   
            	}   
        	}   
    	}   
	}