//-----------------------------------------------------------------------------
function checkValidDate(intYear,intMonth,intDay) {
	var ndt = new Date(intYear,intMonth-1,intDay);
	var blnDTOk = true;
		
	if(ndt.getMonth()+1 != intMonth) blnDTOk = false;

	return blnDTOk;		
}
//-----------------------------------------------------------------------------
function checkNumber(strVal) {
	return (strVal == parseFloat(strVal))
}
//-----------------------------------------------------------------------------
function checkEmail(sVal) {
	var bOk = true;

	var aAreas = sVal.split("@");

	if (aAreas.length != 2) {
		bOk = false;
	}

	if (bOk) {
		var aParts = aAreas[0].split(".");
				
		var compareString = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890-_&";

		for (i=0; i<aParts.length; i++) {
			var minLength = 1;
			if (aParts[i].length < minLength) {
				bOk = false;
			} else {
				for (var c=0; c<aParts[i].length; c++) {  
					if (compareString.indexOf(aParts[i].charAt(c)) < 0) {  
						bOk = false;
						break;
						break;
					}
				}
			}
		}
	}

	if (bOk) {
		var aParts = aAreas[1].split(".");
				
		if (aParts.length < 2) {
			bOk = false;
		} else {
			var compareString = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890-";

			for (i=0; i<aParts.length; i++) {
				if (i == aParts.length - 1) {
					var minLength = 2;
				} else {
					var minLength = 1;
				}
				if (aParts[i].length < minLength) {
					bOk = false;
				} else {
					for (var c=0; c<aParts[i].length; c++) {  
						if (compareString.indexOf(aParts[i].charAt(c)) < 0) {  
							bOk = false;
							break;
							break;
						}
					}
				}
			}
		}
	}

	return !bOk;
}
//-----------------------------------------------------------------------------
function xcheckEmail(strVal) {
	var blnErr = false;

	if (strVal.length < 6)
		blnErr = true;
	else if (strVal.indexOf("@") == 0 || strVal.lastIndexOf("@") == strVal.length-1)
		blnErr = true;
	else if (strVal.indexOf(".") == 0 || strVal.lastIndexOf(".") >= strVal.length-2)
		blnErr = true;
	else if (strVal.lastIndexOf(".") < strVal.lastIndexOf("@"))
		blnErr = true;
	else if (strVal.indexOf("@") < strVal.lastIndexOf("@"))
		blnErr = true;
	//else if ((strVal.indexOf(".") - strVal.indexOf("@")) <= 2)
	//	blnErr = true;
	else if (strVal.indexOf("@") < strVal.lastIndexOf("@"))
		blnErr = true;
	else if (strVal.indexOf("@") < 0 || strVal.indexOf(".") < 0)
		blnErr = true;
	else if (strVal.indexOf(" ") > 0 || strVal.indexOf(" ") == 0)
		blnErr = true;

	if (!blnErr) blnErr = checkEmailChars(strVal);

	return blnErr;
}
//-----------------------------------------------------------------------------
function xcheckEmailChars(theText) {  
	var compareString1 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890-_.&";
	var compareString2 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890.-";
	var pos = theText.indexOf("@");
	var found = false;
		
	/****Check front portion of email before @ sign*******/
	for(i = 0;i<pos;i++)
	{  
		if(compareString1.indexOf(theText.charAt(i)) < 0)
		{  
			found = true;
			break;
		}
	}
		
	if(!found)
	{			
		/****Check email address after @ sign*******/
		for(j = pos + 1 ;j<theText.length;j++)			
		{				
			if(compareString2.indexOf(theText.charAt(j)) < 0)
			{  
				found = true;
				break;
			}
		}
	}

	return(found);
}
//-----------------------------------------------------------------------------
function checkPostalCode(objField) {
	var str1 = "";
	var str2 = "";
	var str3 = "";
	var intPos1 = 0;
	var intPos2 = 0;
	var intLen = 0;
	var intOkCounter = 0;

	if(objField.value != "")
	{
		intLen = objField.value.length;
		if(intLen > 7)
			return false;
		else if(intLen == 6)
		{
			intOkCounter = checkPostalCharOrder(objField.value);
			if(intOkCounter == 6)
				return true;
			else
				return false;
		}
		else
		{
			intPos1 = objField.value.indexOf("-");
			if(intPos1 > 0)
			{
				str1 = objField.value.substr(0, intPos1);
				str2 = objField.value.substr(intPos1+1, intLen);
				str3 = str1 + str2;
				intOkCounter = checkPostalCharOrder(str3);
			}
				
			intPos2 = objField.value.indexOf(" ");
			if(intPos2 > 0)
			{
				str1 = objField.value.substr(0, intPos2);
				str2 = objField.value.substr(intPos2+1, intLen);
				str3 = str1 + str2;
				intOkCounter = checkPostalCharOrder(str3);
			}
			if(intOkCounter == 6)
				return true;
			else
				return false;
		}
	}
	else
		return false;
}
//-----------------------------------------------------------------------------
function checkPostalCharOrder(strChars) {
	var intOkCounter = 0;

	if((strChars.charCodeAt(0) >= 65 && strChars.charCodeAt(0) <= 90) ||
	   (strChars.charCodeAt(0) >= 97 && strChars.charCodeAt(0) <= 122))
	{
		intOkCounter++;
	}
	if((strChars.charCodeAt(1) >= 48 && strChars.charCodeAt(1) <= 57))
	{
		intOkCounter++;
	}
	if((strChars.charCodeAt(2) >= 65 && strChars.charCodeAt(2) <= 90) ||
	   (strChars.charCodeAt(2) >= 97 && strChars.charCodeAt(2) <= 122))
	{
		intOkCounter++;
	}
	if((strChars.charCodeAt(3) >= 48 && strChars.charCodeAt(3) <= 57))
	{
		intOkCounter++;
	}
	if((strChars.charCodeAt(4) >= 65 && strChars.charCodeAt(4) <= 90) ||
	   (strChars.charCodeAt(4) >= 97 && strChars.charCodeAt(4) <= 122))
	{
		intOkCounter++;
	}
	if((strChars.charCodeAt(5) >= 48 && strChars.charCodeAt(5) <= 57))
	{
		intOkCounter++;
	}

	return intOkCounter;
}
//-----------------------------------------------------------------------------
function trim(strObj) {
	strObj.value = ""+strObj.value;
	var x = 0;
	var y = 0;
	var intPos1 = -1;
	var intPos2 = -1;
	var intChar = 0;
	var str = ""
	var newStr = "";
	var intLen = strObj.value.length-1;

	//Take spaces and enter keys from begining of string
	for(x=0;x<=intLen;x++)
	{
		if((strObj.value.charCodeAt(x) == 32 || (strObj.value.charCodeAt(x) == 10 || strObj.value.charCodeAt(x) == 13)) && intChar == 0)
			intPos1 = x;
		else
			intChar++;
	}

	if(intPos1 >= 0)
	{
		str = strObj.value.substr(intPos1+1,intLen);
		strObj.value = str;
	}
	else
		str = strObj.value;

	intLen = str.length-1;
	intChar = 0;

	//Take spaces and enter keys from end of string
	for(y=intLen;y>=0;y--)
	{
		if((str.charCodeAt(y) == 32 || (str.charCodeAt(y) == 10 || str.charCodeAt(y) == 13)) && intChar == 0)
			intPos2 = y;
		else
			intChar++;
	}
	if(intPos2 > 0)
	{
		newStr = str.substr(0,intPos2);
		strObj.value = newStr;
	}
	else
		newStr = strObj.value;
		
	return newStr;
}
//-----------------------------------------------------------------------------
function check7DigitPhone(str) {

	var phone = str;
	var newPhone = "";
	
	var blnIs7digits = false;
	
	for(i=0; i<phone.length; i++) {
		if(phone.charCodeAt(i) >= 48 && phone.charCodeAt(i) <=57) {
			newPhone += phone.charAt(i);
		}
	}
	
	if(newPhone.length == 7) {
		blnIs7digits = true;
	}
	
	return blnIs7digits;
}
//-----------------------------------------------------------------------------