errMsg = "";

function validStr(fieldValue, fieldName) {
	if(fieldValue == "") {
		errMsg += fieldName + "\n";
	} 
}

function validInt(fieldValue, fieldName) {
	if ((fieldValue < 1) || (fieldValue > 999)) {
		errMsg += fieldName + "\n";
	} 
}

function validText(fieldValue, fieldName) {
	invalidChar = 0;
	if(fieldValue == "") {
		errMsg += fieldName + "\n";
	} else {
		for(x = 0; x < fieldValue.length; x++) {
			if(((fieldValue.charAt(x) < "A") || (fieldValue.charAt(x) > "z")) && (fieldValue.charAt(x) != " ")) {
				invalidChar += 1;
			}
		}
	}
	if (invalidChar != 0) {
		errMsg += fieldName + "\n";
	}		
}

function validEmail(fieldValue, fieldName) {
	mailErr=0;
	var checkTLD=0;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=fieldValue.match(emailPat);

	if (matchArray==null) {
		mailErr += 1;
		return false;
	}

	var user=matchArray[1];
	var domain=matchArray[2];

	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			mailErr += 1;
			return false;
   }
	}
	
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			mailErr += 1;
			return false;
   }
	}

	if (user.match(userPat)==null) {
		mailErr += 1;
		return false;
	}

	var IPArray=domain.match(ipDomainPat);

	if (IPArray!=null) {
		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
		mailErr += 1;
		return false;
   		}
		}
		return true;
	}

	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;

	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			mailErr += 1;
			return false;
   }
	}

	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) {
		mailErr += 1;
	}

	if (len<2) {
		mailErr += 1;
		return false;
	}
	return true;
}

function validPhone(fieldValue, fieldName) {
	errCount = 0;
	if (fieldValue.length < 10) {
		errCount +=1;
	} else {
	for(x = 0; x < fieldValue.length; x++) {
		if (((fieldValue.charAt(x) > "9") || (fieldValue.charAt(x) < "0")) && (fieldValue.charAt(x) != "-")) {
			errCount += 1;
		}
	}
	}
	if (errCount != 0) {
		errMsg += fieldName + "\n";
	}
}

function validZip(fieldValue, fieldName) {
	errCount = 0;
	if (fieldValue.length < 5) {
		errCount +=1;
	} else {
	for(x = 0; x < fieldValue.length; x++) {
		if (((fieldValue.charAt(x) > "9") || (fieldValue.charAt(x) < "0")) && (fieldValue.charAt(x) != "-")) {
			errCount += 1;
		}
	}
	}
	if (errCount != 0) {
		errMsg += fieldName + "\n";
	}
}

function validChk(fieldValue, fieldName) {
	if(!fieldValue.checked) {
		errMsg += fieldName + "\n";
	} 
}

function validRadio(fieldValue, fieldName)	{
	selCount = 0;
	for(x=0; x<fieldValue.length; x++)	{
		if(fieldValue[x].checked)	{
			selCount += 1;
		}
	}
	if(selCount == 0) {
		errMsg += fieldName + "\n";
	}
}

function	validSelect(fieldValue, fieldName, firstValue)	{
	if (!(fieldValue.selectedIndex >= 1))	{
		errMsg += fieldName +"\n";
	}
}