function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft;
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop;
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	return curtop;
}

function resizeParent(obj1,obj2)
{
	if(window!=parent)
	{
		parent.document.getElementById(obj1).height = findPosY(document.getElementById(obj2)) + document.getElementById(obj2).height;
	}
}

function resize_iframe(frameID){
	var seperator = 20;
	document.getElementById(frameID).height = null // required for Moz bug, value can be "", null, or integer
	document.getElementById(frameID).height = parseInt(window.frames[frameID].document.body.scrollHeight) + parseInt(seperator);
}

function setLoginLayer(){
	if (MM_findObj('Login1b')!=null){
		document.getElementById('Login1b').style.top = findPosY(document.getElementById('LoginRef')) + 'px';
		document.getElementById('Login1b').style.left = findPosX(document.getElementById('LoginRef')) + 'px';
	}
	if (MM_findObj('Login2b')!=null){
		document.getElementById('Login2b').style.top = findPosY(document.getElementById('LoginRef')) + 'px';
		document.getElementById('Login2b').style.left = findPosX(document.getElementById('LoginRef')) + 'px';
	}
}

function showDiv(sDivID, bState) {
    var oDiv = document.getElementById(sDivID);
    if (bState) {
        oDiv.style.display = 'block';
    }
    else {
        oDiv.style.display = 'none';
    }
}

function checkKeyword(formName){
	if(document.forms[formName].Keyword.value==""){
		document.forms[formName].Keyword.value = "或輸入關鍵字";
	}
}

function checkForm(formName){
	if(document.forms[formName].AreaID.value == 0 && document.forms[formName].Keyword.value == ""){
		alert("必須選擇地區!");
	}else if(document.forms[formName].PriceRangeID.value == 0 && document.forms[formName].Keyword.value == ""){
		alert("必須選擇平均消費!");
	}else{
		document.forms[formName].submit();
	}
}