var disableValidator = false;
function checkLinkedItems(childElements,targetGroup,linkValue,state)
{
	for (var a=0;a<childElements.length;a++)
	{
		if (childElements.item(a).nodeType == 1)
		{
			if(targetGroup == childElements.item(a).getAttribute("linkGroup"))
			{ 
				if(childElements.item(a).getAttribute("linkValue").length>0)
				{
					if(linkValue == childElements.item(a).getAttribute("linkValue")) 
					{
						setDisablednessOnFormElements(childElements.item(a),false);
						state.useDefault=false;
					}
					else
					{
						setDisablednessOnFormElements(childElements.item(a),true);
					}
				}
				else
				{
					state.defaultItems = true;
				}
			}
		if (childElements.item(a).hasChildNodes()) state = checkLinkedItems(childElements.item(a).childNodes,targetGroup,linkValue,state)
		}
	}
return state;	
}
function defaultLinkedItems(childElements,targetGroup,linkValue,useDefault)
{
	for (var a=0;a<childElements.length;a++)
		{
			if(childElements[a].nodeType==1)
			{
				if(childElements[a].getAttribute("linkGroup"));
				{
					if ( targetGroup == childElements[a].getAttribute("linkGroup"))
					{ 
						if(childElements.item(a).getAttribute("linkValue").length==0)
						{
							if(useDefault)
							{
								setDisablednessOnFormElements(childElements.item(a),false);
							}
							else
							{
								setDisablednessOnFormElements(childElements.item(a),true);
							}
						}
						
					}		
				}
				if (childElements.item(a).hasChildNodes()) defaultLinkedItems(childElements.item(a).childNodes,targetGroup,linkValue,useDefault)
			}
		}
	
}
function linkedSelect(targetGroup,linkValue,form)
{
	var childElements = form.childNodes;
	
	var state = new Object();
	state.useDefault = true;
	state.defaultItems = false;
	
	state = checkLinkedItems(childElements,targetGroup,linkValue,state)
	if (state.defaultItems)
	{
		defaultLinkedItems(childElements,targetGroup,linkValue,state.useDefault,state.useDefault)
	}
}

function initValidator()
{
	var element=document.getElementById("validator_initcheck");
	if(!disableValidator)
	{

//			element.attachEvent("onpropertychange", changeEvent);// - triggered too often caused crash and annoying as you type

		//checkData(); //if(confirm())
		
//		}
//	}


		var checkForms = document.getElementsByTagName("form");
		for (var a=0;a<checkForms.length;a++)
		{
			if(checkForms[a].elements) 
			{
				var formElements = checkForms[a].elements;
				for (var b=0;b<formElements.length;b++)
				{
					if(formElements[b].className.substr(0,9)=="validator" || formElements[b].className.substr(0,8)=="optional" || formElements[b].className.substr(0,9)=="no_limits" || formElements[b].className.substr(0,9)=="repeating") 
					{
						formElements[b].baseClass=formElements[b].className;
						checkData(formElements[b]);
						formElements[b].onpropertychange=changeEvent;
						if(formElements[b].tagName!="SELECT")
						{
						    formElements[b].onkeypress=changeEventSimple;
						}
						formElements[b].onchange=changeEventSimple;
						//window.status=formElements[b].className;
					}
				}
			}
		//		checkForm(checkForms[a]);
		//	alert(checkForms[a].valid);
		}
	if(element)	element.style.display="none";

	}

}

//var disableValidator = true;
//		element.attachEvent("onmouseover", overEvent); //Debug only
//checkForm();



/*
-------------------------------------------------------------
overEvent
-------------------------------------------------------------
*/
function overEvent()
{
  window.status=element.name + " min:" + element.getAttribute("minlen") + " max:"+element.getAttribute("maxLength") + " regex:"+element.getAttribute("validation");
  
}


/*
-------------------------------------------------------------
changeEvent
-------------------------------------------------------------
*/
function changeEvent(e)
{
	if (!e) var e = window.event;
	if(e) var tg = (e.target) ? e.target : e.srcElement

  if ((e.propertyName == "value" &&  tg.getAttribute("lastValue")!=tg.value) || e.propertyName == "disabled")
  {
	checkData(tg);
  }
 
 
}

/*
-------------------------------------------------------------
changeEvent
-------------------------------------------------------------
*/
function changeEventSimple(e)
{
	if (!e) var e = window.event;
	if(e) var tg = (e.target) ? e.target : e.srcElement

	checkData(tg);
	if(tg.getAttribute("linkedSelect")) linkedSelect(tg.getAttribute("linkedSelect"),tg.options[tg.selectedIndex].value,tg.form);
 return true;
 
}

/*
-------------------------------------------------------------
checkForm
-------------------------------------------------------------
*/
function checkForm(thisform)
{
	var formElements = thisform.elements;
	thisform.setAttribute("valid",'true');
	thisform.setAttribute("Reasons","");
	for (var a=0;a<formElements.length;a++)
	{
		if(formElements[a].getAttribute("valid")+''=='false' && !formElements[a].disabled)	
		{
			checkData(formElements[a]);
		}
		if(formElements[a].getAttribute("valid")+''=='false' && !formElements[a].disabled)	
			{
				if(thisform.getAttribute("valid")=='true') thisform.setAttribute("valid",'false');
				thisform.setAttribute("Reasons", thisform.getAttribute("Reasons") + formElements[a].getAttribute("displayname") + " : " + formElements[a].getAttribute("reason") + "\n");
			}
	}
	if(thisform.getAttribute("valid")=='false') 
	{	
		alert("Please correct the following errors:\n\n" + thisform.getAttribute("Reasons"));
		return false;
	}
}


/*
-------------------------------------------------------------
checkData
-------------------------------------------------------------
*/
function checkData(element)
{
	//if(!element.value) return;
	if(element.className.substr(0,9)!="validator" && element.className.substr(0,8)!="optional" && element.className.substr(0,9)!="no_limits" && element.className.substr(0,9)!="repeating") return;
	element.setAttribute("lastValue",element.value);
	var valid=false;
	var reason="[Validation Error]";
	if(element.getAttribute("sameAs"))
	{
		eval("otherElement = element.form."+element.getAttribute("sameAs")+";");
		if (!otherElement) reason="[Element not found]";
		else
		{
			otherElement.attachEvent("onpropertychange", changeEvent);
			 if(otherElement.value==element.value)
			{
				valid=true;
				reason="";
			}
			else
			{
				valid=false;
				reason=element.getAttribute("error")
			}
		}
	}
	else
	{
		//Do min/max len first
		if (element.value.length==0) 
		{
			if ((element.className.substr(0,8)=="optional" || element.emptyAllowed=="true") )
				{
					valid=true;
					reason="Optional";
				}
			else
			{
				valid=false;
				if(element.getAttribute("error") && element.getAttribute("error").length>0)
				{
					reason=element.getAttribute("error"); //element.getAttribute("validation");
				}
				else
				{
					reason="This field is mandatory" ;
				}
			}
		}
		else
		{
			var minlen=0;
			if 	(element.getAttribute("minlen")) minlen=element.getAttribute("minlen");
			if (element.value.length >= minlen  )
			{
				if (element.getAttribute("validation"))
				{
					
					if (element.value.match(element.getAttribute("validation")) && (element.value.match(element.getAttribute("validation")).length >1 || element.value.match(element.getAttribute("validation"))==element.value)) 
					{
						valid=true;
						reason="";
					}
					else
					{
						//alert(element.value.match(element.getAttribute("validation")) + " " +element.value);
						valid=false;
						if(element.getAttribute("error") && element.getAttribute("error").length>0)
						{
							reason=element.getAttribute("error"); //element.getAttribute("validation");
						}
						else
						{
							reason="This field contains invalid characters" ;
						}
					}
				}	
				else
				{
					valid=true;
					reason="";
					
				}
			}
			else
			{
				if (minlen>0)
				{
					valid=false;
					reason="Minumum length required("+minlen+" characters)" ;
				}
				
			}
			if(element.getAttribute("maxLength"))
			{
				if (element.value.length > element.getAttribute("maxLength")) 
				{
					valid=false;
					reason="Maximum length exceded("+element.getAttribute("maxLength")+" characters)" ;
					element.value=element.value.substr(0,element.getAttribute("maxLength"));
					//This should occur only with text area - maybe we can cancel it or set some max length attribute?
				}
				if (element.value.length == element.getAttribute("maxLength")) 
				{
					valid=true;
					reason="Maximum length reached("+element.getAttribute("maxLength")+" characters)" ;
				}
			}
		}
	}

	if(!valid && reason.length == 0) reason="Invalid entry";

	if(reason.length>0 )
	{
		if(element.nextSibling)
		{
			if(element.nextSibling.className.substr(0,14)=="validationText")
			{
				if(valid || element.disabled)
				{
					element.nextSibling.innerText="[" + reason + "]";
					element.nextSibling.className= "validationText_warning";
				}
				else
				{
					element.nextSibling.innerText="* " + reason;
					element.nextSibling.className= "validationText";
					element.title =  reason;
					if (element.type.toLowerCase() != "password")	element.title +=", '" + element.value + "' is not valid.";
				}
				if (element.style.display=="") element.nextSibling.style.display="";
			}
			else
			{
				if(element.getAttribute("errorstyle")=="small")
				{
					//element.insertAdjacentHTML("afterEnd","<span class=\"validationText\" title="+reason+">*</span>");
				}
				else
				{
					if(valid || element.disabled)
					{
						var warningTag = document.createElement("span");
						warningTag.className="validationText_warning";
						warningTag.innerHTML="["+reason+"]";
						element.parentNode.insertBefore(warningTag,element.nextSibling);
					}
					else
					{
						var warningTag = document.createElement("span");
						warningTag.className="validationText";
						warningTag.innerHTML="*"+reason;
						element.parentNode.insertBefore(warningTag,element.nextSibling);
						element.title =  reason;
						if (element.type.toLowerCase() != "password")	element.title +=", '" + element.value + "' is not valid.";
					}
				}
			}
		}
		else
		{
			if(element.getAttribute("errorstyle")=="small")
			{
				//element.insertAdjacentHTML("afterEnd","<span class=\"validationText\" title="+reason+">*</span>");
			}
			else
			{
				if(valid || element.disabled)
				{
					element.insertAdjacentHTML("afterEnd","<span class=\"validationText_warning\">["+reason+"]</span>");
				}
				else
				{
					element.insertAdjacentHTML("afterEnd","<span class=\"validationText\">* "+reason+"</span>");
					element.title =  reason;
					if (element.type.toLowerCase() != "password")	element.title +=", '" + element.value + "' is not valid.";
				}
			}
		}
		
		if(valid)
		{
			element.className=element.baseClass + "_valid";
			element.setAttribute("valid","true");
			element.setAttribute("reason","");

		}
		else if(element.disabled)
		{
			//element.className=validator_baseclass + "_diabled";
			//element.valid="true";
			//element.reason="";
		}
		else
		{
			element.className=element.baseClass + "_invalid";
			element.setAttribute("valid","false"); 
			element.setAttribute("reason",reason);
		}
	}
	else
	{
		if(element.nextSibling)
		{
			if(element.nextSibling.className=="validationText" || element.nextSibling.className=="validationText_warning")
			{
				element.nextSibling.style.display="none";
				element.title =  "";
			}
		}
		element.setAttribute("valid","true");
		element.setAttribute("reason","");

	}

//checkForm(element.form);
}