//enabled submit on if tickbox is ticked
function flipSubmit(oObject) {

	if(navigator.userAgent.indexOf("MSIE")!=-1){
		//IE
		if (oObject.checked == true) {
			//enable submit button			
			document.all.submit.disabled = false; 
		} else { 
			//disabled submit button			
			document.all.submit.disabled = true; //IE
		}		
	} else { 
		//Firefox, and others
		if (oObject.checked == true) {
			//enable submit button			
			document.getElementById('submit').disabled = false;
		} else {
			//disabled submit button
			document.getElementById('submit').disabled = true; //Firefox
		}		
	}
	
}

function validateForm(oForm) {
	sValidationString = document.getElementById('validation').value;
	//alert(sValidationString);
	
	//question submission
	bConfirm = confirm('Are you sure you wish to submit this form?')
	if (bConfirm) {
		//loop through all form fields
		sFieldName = '';
		sReturn = '';
		iTotal = 0;
		bTest = false;
		for (var i=0;i < oForm.length;i++) {
			//check if field is require for validation
			
			
			//for (var iSub=0;iSub < oForm.getElementsByTagName('label').length;iSub++) {			
				
				//if (oForm.elements[i].type == 'label' && oForm.elements[i].name == oForm.elements[iSub].getAttribute('for')) {
				//if (oForm.elements[i].type == 'label') {
					//sReturn += '-' + oForm.elements[iSub].getAttribute('for')
				//}
			//}
				
			sFieldName = oForm.elements[i].name
			sFieldTitle = oForm.elements[i].title
			sFieldValue = oForm.elements[i].value
			if (sFieldTitle == '') {
				sFieldTitle = sFieldName
			}	
			bTest = false;
	//		alert(sFieldName)
			if (sValidationString.indexOf(sFieldName + '[isEmail]') >= 1 && sFieldName != '') {
				if (sFieldValue == '') {
					sReturn += '- ' + sFieldTitle + ' is required\n';
					oForm.elements[i].style.backgroundColor = '#FFCCCC';
				} else if (sFieldValue.indexOf('@') <= 0) {
					sReturn += '- ' + sFieldTitle + ' must be an e-mail address\n';
					oForm.elements[i].style.backgroundColor = '#FFCCCC';
				} else {
	//				sReturn += '-' + sFieldName + '(' + sFieldValue + ') is OK\n';
					oForm.elements[i].style.backgroundColor = '';
				}
			} else if (sValidationString.indexOf(sFieldName + '[isNum]') >= 1 && sFieldName != '') {
				if (sFieldValue == '') {
					sReturn += '- ' + sFieldTitle + ' is required\n';
					oForm.elements[i].style.backgroundColor = '#FFCCCC';
				} else if (isNaN(sFieldValue)) {
					sReturn += '- ' + sFieldTitle + ' is not a number\n';
					oForm.elements[i].style.backgroundColor = '#FFCCCC';
				} else {
	//				sReturn += '-' + sFieldName + '(' + sFieldValue + ') is OK\n';
					oForm.elements[i].style.backgroundColor = '';
				}
			} else if (sValidationString.indexOf(sFieldName + '[isWholeNum]') >= 1 && sFieldName != '') {
				if (sFieldValue == '') {
					sReturn += '- ' + sFieldTitle + ' is required\n';
					oForm.elements[i].style.backgroundColor = '#FFCCCC';
				} else if (isNaN(sFieldValue)) {
					sReturn += '- ' + sFieldTitle + ' is not a number\n';
					oForm.elements[i].style.backgroundColor = '#FFCCCC';
				} else if (sFieldValue.indexOf('.') > 0) {
					sReturn += '- ' + sFieldTitle + ' must be a whole number\n';
					oForm.elements[i].style.backgroundColor = '#FFCCCC';
				} else {
	//				sReturn += '-' + sFieldName + '(' + sFieldValue + ') is OK\n';
					oForm.elements[i].style.backgroundColor = '';
				}
			} else if (sValidationString.indexOf(sFieldName + '[isNotZero]') >= 1 && sFieldName != '') {
				if (sFieldValue == '') {
					sReturn += '- ' + sFieldTitle + ' is required\n';
					oForm.elements[i].style.backgroundColor = '#FFCCCC';
				} else if (sFieldValue == 0) {
					sReturn += '- ' + sFieldTitle + ' must be selected\n';
					oForm.elements[i].style.backgroundColor = '#FFCCCC';
				} else {
	//				sReturn += '-' + sFieldName + '(' + sFieldValue + ') is OK\n';
					oForm.elements[i].style.backgroundColor = '';
				}				
			} else if (sValidationString.indexOf(sFieldName + '[isSelected]') >= 1 && sFieldName != '') {
				//loop through entire form again to find checked radio buttons
				for (var iSub=0;iSub < oForm.length;iSub++) {				
					if (oForm.elements[iSub].name == sFieldName && oForm.elements[iSub].checked) {
						//if field is checked then set bol
						bTest = true
					}
				}
				//output message
				if (bTest && sFieldName != sPreviousFieldName) {
	//				sReturn += '-' + sFieldName + '(' + sFieldValue + ') is OK\n';
					oForm.elements[i].style.backgroundColor = '';
				} else if (!bTest && sFieldName != sPreviousFieldName) {
					sReturn += '- ' + sFieldTitle + ' is required\n';					
					oForm.elements[i].style.backgroundColor = '#FFCCCC';
				} else if (!bTest) {
					// colour all same names check boxes
					oForm.elements[i].style.backgroundColor = '#FFCCCC';
				} else {
					oForm.elements[i].style.backgroundColor = '';
				}			
	//		if (sValidationString.indexOf(sFieldName + '[R]') >= 1 && sFieldName != '') {
			} else if (sValidationString.indexOf(sFieldName) >= 1 && sFieldName != '') {
				if (sFieldValue == '') {
					sReturn += '- ' + sFieldTitle + ' is required\n';
					oForm.elements[i].style.backgroundColor = '#FFCCCC';
				} else {
	//				sReturn += '-' + sFieldName + '(' + sFieldValue + ') is OK\n';
					oForm.elements[i].style.backgroundColor = '';
				}
			} else {
	//			sReturn += '-' + sFieldName + '(' + sFieldValue + ') is OK\n';
				oForm.elements[i].style.backgroundColor = '';
			}		
			
			sPreviousFieldName = sFieldName
		}
		
		if (sReturn) {
			alert('Please fill out all the following required fields\nbefore submitting this form.\n' + sReturn);
			return(false)
		} else {
			return(true);
		}
	} else {
			return(false)
	}	
		
}