function Validate(objForm) {
	 validateMessage = "";
	var returnValue=true;
	var arrValidated=new Array();
	
for (var i=0; i<objForm.elements.length; i++) {
	var element=objForm.elements[i];
	var elName=element.name;
	var theLabelID = element.name + "_label";
	
	if ((!elName)||(elName.length == 0)||(arrValidated[elName]))
		continue;
	arrValidated[elName] = true;
	var validationType = element.getAttribute("validate");
	if ((!validationType)||(validationType.length == 0))
		continue;
	var strMessages=element.getAttribute("msg");
	if (!strMessages)
		strMessages = "";
	var arrMessages = strMessages.split("|");
	var arrValidationTypes = validationType.split("|");
	//alert("theLabelID is: " +theLabelID);
	document.getElementById(theLabelID).style.color = "#000000";
	for (var j=0; j<arrValidationTypes.length; j++) {
			var curValidationType = arrValidationTypes[j];
			var blnValid=true;
			switch (curValidationType) {
				case "not_empty":
					blnValid = ValidateNotEmpty(element);
					break;
				case "integer":
					blnValid = ValidateInteger(element);
					break;
				case "number":
					blnValid = ValidateNumber(element);
					break;
				case "email":
					blnValid = ValidateEmail(element);
					break;
				case "alphabet":
					blnValid = ValidateAlphaBet(element);
					break;
				default:
					try {
						blnValid = eval(curValidationType+"(element)");
					}
					catch (ex) {
						blnValid = true;
					}
			}
			
			if (blnValid == false) {
				//message="invalid value for "+element.name;
				if ((j < arrMessages.length)&&(arrMessages[j].length > 0))
					validateMessage +=  arrMessages[j] + "\n";
				//InsertError(element, message);
				if ((typeof element.focus == "function")||(element.focus)) {
					element.focus();
				}
				
				document.getElementById(theLabelID).style.color = "#990000";
				returnValue = false;
				//return false;
			}else{
				//document.getElementById(theLabelID).style.color = "#000000";
				//ClearError(element);
			}
		}
		
	}
	if(validateMessage != ""){
		alert(validateMessage );
	}
	return returnValue;
}

function ValidateNotEmpty(objElement) {
	var strValue = GetElementValue(objElement);
	return (strValue.length > 0);
}

function ValidateInteger(objElement) {
	var strValue = GetElementValue(objElement);
	return (!isNaN(parseInt(strValue)));
}

function ValidateNumber(objElement) {
	var strValue = GetElementValue(objElement);
	return (!isNaN(parseFloat(strValue)));
}

function ValidateEmail(objElement) {
	var strValue = GetElementValue(objElement);
	if (strValue.length < 5)
		return false;
	var arrTemp=strValue.split("@");
	if (arrTemp.length != 2)
		return false;
	var strLeftPart = arrTemp[0];
	var strRightPart = arrTemp[1];
	if ((strLeftPart.length == 0)||(strRightPart.length == 0))
		return false;
	arrTemp = strRightPart.split(".");
	if (arrTemp.length < 2)
		return false;
	for (var i=0; i<arrTemp.length; i++) {
		if (arrTemp[i].length == 0)
			return false;
	}
	return true;
}

function ValidateAlphaBet(objElement) {
	var strValue = GetElementValue(objElement);
	
	if (strValue.length == 0)
		return true;
	
	var strAllowOnly = objElement.getAttribute("allow_only");
	if (!strAllowOnly)
		strAllowOnly = "";
	
	if (strAllowOnly.length == 0)
		return true;
	
	var i=0;
	var arrAllowedChars=new Array();
	while (i < strAllowOnly.length) {
		if ((i < (strAllowOnly.length-2)) && (strAllowOnly.substr(i+1, 2) == "..")) {
			for (var j=strAllowOnly.charCodeAt(i); j<=strAllowOnly.charCodeAt(i+3); j++) {
				arrAllowedChars[arrAllowedChars.length] = String.fromCharCode(j);
			}
			i += (2*2);
			continue;
		}
		arrAllowedChars[arrAllowedChars.length] = strAllowOnly.charAt(i)+"";
		i++;
	}
	
	for (var i=0; i<strValue.length; i++)
		if (InArray(arrAllowedChars, strValue.substr(i, 1)) < 0)
			return false;
	
	return true;
}

function GetElementValue(objElement) {
	var result="";
	switch (objElement.type) {
		case "text":
		case "hidden":
		case "textarea":
		case "password":
			result = objElement.value;
			break;
		case "select-one":
		case "select":
			if (objElement.selectedIndex >= 0)
				result = objElement.options[objElement.selectedIndex].value;
			break;
		case "radio":
		case "checkbox":
			for (var i=0; i<objElement.form.elements.length; i++) {
				if (objElement.form.elements[i].name == objElement.name) {
					if (objElement.form.elements[i].checked)
						result += objElement.form.elements[i].value+",";
				}
			}
			break;
	}
	return result;
}

function InsertError(element, strMessage) {
	if ((element.form.getAttribute("show_alert")) && (element.form.getAttribute("show_alert") != "0")) {
		alert(strMessage);
		return;
	}
	
	var strSpanID = GetErrorContainerID(element);
	var objSpan = document.getElementById(strSpanID);
	if (!objSpan) {
		if ((element.type == "radio")||(element.type == "checkbox")) {
			for (var i=0; i<element.form.elements.length; i++) {
				if (element.form.elements[i].name == element.name) {
					element = element.form.elements[i];
				}
			}
		}
		objSpan = document.createElement("span");
		objSpan.id = strSpanID;
		var nodeAfter=0;
		var nodeParent = element.parentNode;
		for (var i=0; i<nodeParent.childNodes.length; i++) {
			if (nodeParent.childNodes[i] == element) {
				if (i < (nodeParent.childNodes.length-1))
					nodeAfter = nodeParent.childNodes[i+1];
				break;
			}
		}
		if ((!nodeAfter)&&(nodeParent.parentNode)) {
			nodeParent = nodeParent.parentNode;
			for (var i=0; i<nodeParent.childNodes.length; i++) {
				if (nodeParent.childNodes[i] == element.parentNode) {
					if (i < (nodeParent.childNodes.length-1))
						nodeAfter = nodeParent.childNodes[i+1];
					break;
				}
			}
		}
		if (nodeAfter)
			nodeParent.insertBefore(objSpan, nodeAfter);
		else
			document.body.appendChild(objSpan);
	}
	if (objSpan.className.length == 0)
		objSpan.className = "validation_error";
	objSpan.innerHTML = strMessage;
}

function ClearError(element) {
	var strSpanID = GetErrorContainerID(element);
	var objSpan = document.getElementById(strSpanID);
	if (objSpan) {
		objSpan.innerHTML = "";
	}
}

function GetErrorContainerID(element) {
	var strSpanID = element.getAttribute("error_container");
	if (!strSpanID || strSpanID.length == 0) {
		strSpanID = element.name+"_val_error";
	}
	return strSpanID;
}

function InArray(arr, key) {
	for (var i=0; i<arr.length; i++) {
		if (arr[i] == key) {
			return i;
		}
	}
	return -1;
}