function preloadImgs() {//v1.0
 var d=document,a=arguments; if(!d.imgs) d.imgs=new Array();
 for(var i=0; i<a.length; i++) { d.imgs[i]=new Image; d.imgs[i].src=a[i]; }
}

function swapImgRestore() {//v1.0
 var doc=document,i; if(doc.$imgSwaps) { for(i=0;i<doc.$imgSwaps.length;i++) {
  var elm=doc.$imgSwaps[i]; if(elm) { elm.src=elm.$src; elm.$src=null; } } 
  doc.$imgSwaps=null; }
}

function swapImg() {//v1.0
 var doc=document,args=arguments,elm,n; doc.$imgSwaps=new Array(); for(n=2; n<args.length;
 n+=2) { elm=getObjectByID(args[n]); if(elm) { doc.$imgSwaps[doc.$imgSwaps.length]=elm;
 elm.$src=elm.src; elm.src=args[n+1]; } }
}

function getObjectByID(id,o) {//v1.0
 var c,el,els,f,m,n; if(!o)o=document; if(o.getElementById) el=o.getElementById(id);
 else if(o.layers) c=o.layers; else if(o.all) el=o.all[id]; if(el) return el;
 if(o.id==id || o.name==id) return o; if(o.childNodes) c=o.childNodes; if(c)
 for(n=0; n<c.length; n++) { el=getObjectByID(id,c[n]); if(el) return el; }
 f=o.forms; if(f) for(n=0; n<f.length; n++) { els=f[n].elements;
 for(m=0; m<els.length; m++){ el=getObjectByID(id,els[n]); if(el) return el; } }
 return null;
}
function top() {
	window.scrollTo(0,0);
}
function Validate(objForm) {
	var arrValidated=new Array();
	for (var i=0; i<objForm.elements.length; i++) {
		var element=objForm.elements[i];
		var elName=element.name;
		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("|");			
		for (var j=0; j<arrValidationTypes.length; j++) {
			var curValidationType = arrValidationTypes[j];
			var blnValid=true;
			switch (curValidationType) {
				case "match":
					blnValid = ValidateMatch(objForm.password,objForm.confirmpassword);
					break;
				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;
				default:
					try {
						blnValid = eval(curValidationType+"(element)");
					}
					catch (ex) {
						blnValid = true;
					}
			}
			if (blnValid == false) {
				var message="Invalid Value Entered in '"+element.name + "'";
				if ((j < arrMessages.length)&&(arrMessages[j].length> 0))
					message = arrMessages[j];
				InsertError(element, message);
				if ((typeof element.focus == "function")||(element.focus) && element.type != "textarea") {
					element.focus();
				}
				return false;
			}
			else
				ClearError(element);
		}
		}
	return true;
}

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

function ValidateMatch(objElement,objElement2) {
	var strValue = GetElementValue(objElement);
	var strValue2 = GetElementValue(objElement2);
	return (strValue == strValue2);
}

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 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 = element.name+"_val_error";
	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;
		objSpan.className = "validation_error";
		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);
	}
	objSpan.innerHTML = strMessage;
}

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

function validate(theform){
	if(Validate(theform)){
		if(theform.agree.checked == true){
		theform.submit();
		} else {
		alert("You must agree to the terms to send");
		}
	}
}