// XMLHttp

var objXMLHttp = getAjaxObj();



function getAjaxObj()

{

	// Mozilla

	if (window.XMLHttpRequest)

		return (new XMLHttpRequest());

	// IE

	if (window.ActiveXObject)

		return (new ActiveXObject("Microsoft.XMLHTTP"));



	return false;

}



// DOM

function obj(objName)

{

	return document.getElementById(objName);

}



function trim(str)

{

	return str.replace(/^\s+|\s+$/g, "");

}



var sAlertColor = "#ffff00";

var sNormalColor = "#ffffff";



function bIsNumeric(sText)

{

	var bRet = true;



	for(var i=0; i < sText.length; i++)

	{

		if(sText.charAt(i) > "9" || sText.charAt(i) <"0")

		{

			bRet = false;

			break;

		}	

	}		



	return bRet;

}



function check_field(oField, sText)

{

	var sValue = oField.value;

	if (trim(sValue) == "")

	{

		alert(sText);

		oField.style.backgroundColor = sAlertColor;

		oField.focus();

		return false;

	}

	else

	{

		oField.style.backgroundColor = sNormalColor;

		return true;

	}

}



function check_email(oField, sText)

{

	var emailFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/;

	var sValue = oField.value;

	if (!emailFilter.test(sValue))

	{

		oField.style.backgroundColor = sAlertColor;

		oField.focus();

		alert(sText);

		return false;

	}

	else

	{

		oField.style.backgroundColor = sNormalColor;

		return true;

	}



}



function check_phone(oField, sText)

{

	var phoneFilter = /^\d\d\d-\d\d\d-\d\d\d\d$/;

	var sValue = oField.value;

	if (!phoneFilter.test(sValue))

	{

		oField.style.backgroundColor = sAlertColor;

		oField.focus();

		alert(sText);

		return false;

	}

	else

	{

		oField.style.backgroundColor = sNormalColor;

		return true;

	}



}



function check_select(oSelect, sText)

{

	if (oSelect.selectedIndex == 0)

	{

		alert(sText);

		oSelect.style.backgroundColor = sAlertColor;

		oSelect.focus();

		return false;

	}

	else

	{

		oSelect.style.backgroundColor = sNormalColor;

		return true;

	}

}



function check_box(oCheckBox, sText)

{

	if (!oCheckBox.checked)

	{

		alert(sText);

		oCheckBox.style.backgroundColor = sAlertColor;

		oCheckBox.focus();

		return false;

	}

	else

	{

		oCheckBox.style.backgroundColor = sNormalColor;

		return true;

	}

}



function check_number(oField, sText)

{

	var sValue = oField.value;

	if (!bIsNumeric(sValue))

	{

		alert(sText);

		oField.style.backgroundColor = sAlertColor;

		oField.focus();

		return false;

	}

	else

	{

		oField.style.backgroundColor = sNormalColor;

		return true;

	}

}



function check_number_range(oField, sText, nMin, nMax)

{

	var nValue = parseInt(oField.value, 10);

	if (nValue < nMin || nValue > nMax)

	{

		var sDisplayText = sText;

		sDisplayText = sDisplayText.replace("MIN_VAL", nMin);

		sDisplayText = sDisplayText.replace("MAX_VAL", nMax);

		alert(sDisplayText);

		oField.style.backgroundColor = sAlertColor;

		oField.focus();

		return false;

	}

	else

	{

		oField.style.backgroundColor = sNormalColor;

		return true;

	}

}



function check_number_range_card_year(oField, sText)

{

	var nValue = parseInt(oField.value, 10);

	var dDate = new Date();

	var nMin = dDate.getFullYear();

	var nMax = nMin + 5;

	if (nValue < nMin || nValue > nMax)

	{

		var sDisplayText = sText;

		sDisplayText = sDisplayText.replace("MIN_VAL", nMin);

		sDisplayText = sDisplayText.replace("MAX_VAL", nMax);

		alert(sDisplayText);

		oField.style.backgroundColor = sAlertColor;

		oField.focus();

		return false;

	}

	else

	{

		oField.style.backgroundColor = sNormalColor;

		return true;

	}

}



// dd//mm/yyyy

function bIsValidDate(p_sText)

{

	var bRet = true;



	var i;

	var val = p_sText+"";

	var dateparts;

	var intYear, intMonth, intDay;



	var daysInMonth = new Array(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);

	var nDays;



	dateparts = val.split("/");



	if(dateparts.length != 3)

		bRet = false;

	else

	{

		intDay = dateparts[0];

		intMonth = dateparts[1];

		intYear = dateparts[2];



		if(intYear.length != 4 || intMonth.length != 2 || intDay.length != 2)

			bRet = false;

		else if(!bIsNumeric(intYear) || !bIsNumeric(intMonth) || !bIsNumeric(intDay))

			bRet = false;

		else

		{

			intDay = parseInt(intDay, 10);

			intMonth = parseInt(intMonth, 10);

			intYear = parseInt(intYear, 10);



			if(intMonth < 1 || intMonth > 12 || intDay < 1 || intDay > 31)

				bRet = false;

			else

			{

				if (intMonth==2) //february

					nDays = ((intYear%4==0) && (!(intYear%100==0) || (intYear%400==0)))?29:28;

				else

					nDays = daysInMonth[intMonth-1];



				if(intDay > nDays)

					bRet = false;

			}				

		}

	}



	return bRet;	

}



function check_date(oD, oM, oY, sText)

{

	var sDate = oD.options[oD.selectedIndex].value + "/" + oM.options[oM.selectedIndex].value + "/" + oY.options[oY.selectedIndex].value;



	if(!bIsValidDate(sDate))

	{

		alert(sText);

		return false;

	}

	return true;

}



function check_password(oField, sText)

{

	var nLength = (oField.value + "").length;

	if (nLength < 4 || nLength > 6)

	{

		alert(sText);

		oField.style.backgroundColor = sAlertColor;

		oField.focus();

		return false;

	}

	else

	{

		oField.style.backgroundColor = sNormalColor;

		return true;

	}

}