var gStrAlertStart, gStrAlertBody, gStrAlertEnd, gStrAlertIndent;
gStrAlertStart  = 'The following fields are invalid:\n';
gStrAlertIndent = '\n     - '
gStrAlertEnd    = ''

function ggSubmit(inThisForm){
	if(parseInt(inThisForm.ggGo.value)==0){
		gStrAlertBody = '';
	
		var boolValid = true;
		var strValObjects = new String(inThisForm.ggObjects.value);
		var strValCalls = new String(inThisForm.ggCalls.value);
		var strValLabels = new String(inThisForm.ggLabels.value);
	
		var arrValObjects = strValObjects.split(',');
		var arrValCalls = strValCalls.split(',');
		var arrValLabels = strValLabels.split(',');
	
		for(x=0;x< arrValObjects.length;x++){
			var formObj = inThisForm[arrValObjects[x]];

			switch(parseInt(arrValCalls[x])){
				case 1:
					//text
					//alert('case text - ' + formObj);
					if(!valText(formObj,arrValLabels[x])){
						if(boolValid){boolValid = false;}
					}
					break;

				case 2:
					//Select - ListBox
					//alert('case select - ' + formObj);
					if(!valSelect(formObj,arrValLabels[x])){
						if(boolValid){boolValid = false;}
					}
					break;

				case 3:
					//radio & Checkbox
					if(!valRadioCheckbox(formObj,arrValLabels[x])){
						if(boolValid){boolValid = false;}
					}
					break;

				case 4:
					//email
					//alert('case email - ' + formObj);
					if(!valEmail(formObj,arrValLabels[x])){
						if(boolValid){boolValid = false;}
					}
					break;
				case 5:
					//Date
					//alert('case Date - ' + formObj);
					if(!valDate(formObj,arrValLabels[x])){
						if(boolValid){boolValid = false;}
					}
					break;
				default:
					alert('Error: ' + arrValCalls[x]);
					break;
			}
		}

		if (boolValid){
			inThisForm.ggGo.value = 1;
			inThisForm.method = 'post';
			inThisForm.submit();
		}else{
			alert(gStrAlertStart + gStrAlertBody + gStrAlertEnd);
		}
	}else{
		alert('This page is currently submitting.\nClick OK to continue.');
	}
}

function valSelect(inFormObj,inObjLabel){
	if(inFormObj.selectedIndex == 0){
		gStrAlertBody = gStrAlertBody + gStrAlertIndent + inObjLabel + ' (make a selection)';
		return false;
	}else{
		return true;
	}
}

function valText(inFormObj,inObjLabel){
	if (trim(inFormObj.value)==""){
		gStrAlertBody = gStrAlertBody + gStrAlertIndent + inObjLabel + ' (required)';
		return false;
	}else{
		inFormObj.value = noReturn(inFormObj.value);
		return true;
	}
}

function valText_allowReturn(inFormObj,inObjLabel){
	if (trim(inFormObj.value)==""){
		gStrAlertBody = gStrAlertBody + gStrAlertIndent + inObjLabel + ' (required)';
		return false;
	}else{
		return true;
	}
}

function trim(inStr){
	return(inStr.replace(/^\s+/, '').replace(/\s+$/, ''));
}

function noReturn(inStr){
	return(inStr.replace(/\r\n|\r|\n/g," "));
}

function valEmail(inFormObj,inObjLabel){
	if(valText(inFormObj,inObjLabel)){
		if(isEmail(inFormObj.value)){
			if(isLegalEmail(inFormObj.value)){
				return true;
			}else{
				gStrAlertBody = gStrAlertBody + gStrAlertIndent + inObjLabel + ' (invalid email address)';
				return false;
			}
		}else{
			gStrAlertBody = gStrAlertBody + gStrAlertIndent + inObjLabel + ' (invalid email address)';
			return false;
		}
	}else{
		return false;
	}
}

function isLegalEmail(s) {	
	var alpha = "abcdefghijklmnopqrstuvwxyz.-_@ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890'"
	for (var i=0; i< s.length; i++) {
		var c = s.charAt(i);		
		// illegal charachter found
		if (alpha.indexOf(c) == -1) {
			return false;
		}
	}
	return true;
}

function isEmail (s){
    
    // there must be >= 1 character before @, so we
    // start looking at character position 1 
    // (i.e. second character)
    
    var i = 1;
    var sLength = s.length;

    // look for @
    while ((i < sLength) && (s.charAt(i) != "@")){
		i++
	}

	if ((i >= sLength) || (s.charAt(i) != "@")){
		return false;
	}else{
		i += 2;
	}

	// look for .
	while ((i < sLength) && (s.charAt(i) != ".")){
		i++
	}

	// there must be at least one character after the .
	if ((i >= sLength - 1) || (s.charAt(i) != ".")){
		return false;
	}else{
		return true;
	}
}

function valDate(inFormObj,inObjLabel){
	if(valText(inFormObj,inObjLabel)){
		var reDate = /^((29(-|\/)0?2(-|\/)(19(0[48]|[2468][048]|[13579][26])|2000))|(((3[01]|[12][0-9]|0?[1-9])(-|\/)(0?[13578]|1[02]))|((30|[12][0-9]|0?[1-9])(-|\/)(0?[469]|11))|(([12][0-8]|19|0?[1-9])(-|\/)(0?2)))(-|\/)(19\d{2}|2\d{3}))$/

		if(!reDate.test(inFormObj.value)){
			gStrAlertBody = gStrAlertBody + gStrAlertIndent + inObjLabel + ' (invalid Date)';
			return false;
		}else{
			return true;
		}
	}else{
		return false;
	}
}

function valRadioCheckbox(inFormObj,inObjLabel){
	var boolChecked = false; 
	if(!inFormObj.length){
			if (inFormObj.checked){
				return true;
			}else{
				gStrAlertBody = gStrAlertBody + gStrAlertIndent + inObjLabel + ' (make a selection)';
				return false;
			}
	}else{
		for(i=0;i< inFormObj.length;i++){
			if (inFormObj[i].checked){
				boolChecked	= true;
			}
		}
		if(!boolChecked){
			gStrAlertBody = gStrAlertBody + gStrAlertIndent + inObjLabel + ' (make a selection)';
			return false;
		}else{
			return true;
		}
	}
}