var popMessage="";

function chk_ImgStyle(object,key){
	if ( !chkFileStyle(object.value,'jpg') && !chkFileStyle(object.value,'gif') && !chkFileStyle(object.value,'png')){
		showFormMessage(key+"必須為圖片格式")
		return false;
	}
	else{
		return true;
	}
}

function chk_Null(object,key){
	if (checkspace(object.value)){
		showFormMessage("Please Input "+key)
		return false
	}	

	return true
}

function chk_hasNum(object,key){
    if (!checkspace(object.value)){
	    if (isNaN(object.value) ){
		    showFormMessage(key+"必須為數字格式")
		    return false
	    }

    }else{
        showFormMessage("請輸入"+key)
        return false
    }
	return true		
}

function chk_Email(object,key){
	re = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!re.test(object.value)){
		showFormMessage(key+"is not a vaild email format")
		return false;
	}
	return true;		
}

function chkFileStyle(val,key)
{
	var temp;
	temp=val.slice(-3)
	temp=temp.toLowerCase()
	if (temp!=key)
		return false
	else
		return true
}
function showFormMessage(txt){
	popMessage+=txt+"\n";
}

var focus_object=null;


function get_focus(obj){
	obj.className="base_field2";
}

function un_focus(obj){
	obj.className="base_field";
}

function checkspace(checkstr) {
  var str = '';
  for(i = 0; i < checkstr.length; i++) {
    str = str + ' ';
  }
  return (str == checkstr);
}


function HTMLEncode(fString)
{
	while (fString.indexOf("<",0) != -1)
	{
		fString = fString.replace("<", "")
	}
	while (fString.indexOf(">",0) != -1)
	{
		fString = fString.replace(">", "")
	}
	return fString;
}