var fname;
function Validator(frmname) {
	this.formobj = document.forms[frmname];
	fname = this.formobj;
	if (!this.formobj) {
		alert("BUG: couldnot get Form object " + frmname);
		return;
	}
	if (this.formobj.onsubmit) {
		this.formobj.old_onsubmit = this.formobj.onsubmit;
		this.formobj.onsubmit = null;
	} else {
		this.formobj.old_onsubmit = null;
	}
	this.formobj.onsubmit = form_submit_handler;
	this.addValidation = add_validation;
	this.setAddnlValidationFunction = set_addnl_vfunction;
	this.clearAllValidations = clear_all_validations;
}
function set_addnl_vfunction(functionname) {
	this.formobj.addnlvalidation = functionname;
}
function clear_all_validations() {
	for (var itr = 0; itr < this.formobj.elements.length; itr++) {
		this.formobj.elements[itr].validationset = null;
	}
}
function form_submit_handler() {
	for (var itr = 0; itr < this.elements.length; itr++) {
		if (this.elements[itr].validationset && !this.elements[itr].validationset.validate()) {
			return false;
		}
	}
	if (this.addnlvalidation) {
		str = " var ret = " + this.addnlvalidation + "()";
		eval(str);
		if (!ret) {
			return ret;
		}
	}
	return true;
}
function add_validation(itemname, descriptor, errstr) {
	if (!this.formobj) {
		alert("BUG: the form object is not set properly");
		return;
	}//if
	var itemobj = this.formobj[itemname];
	if (!itemobj) {
		alert("BUG: Couldnot get the input object named: " + itemname);
		return;
	}
	if (!itemobj.validationset) {
		itemobj.validationset = new ValidationSet(itemobj, this.formobj);
	}
	itemobj.validationset.add(descriptor, errstr);
}
function ValidationDesc(inputitem, desc, error) {
	this.desc = desc;
	this.error = error;
	this.itemobj = inputitem;
	this.validate = vdesc_validate;
}
function vdesc_validate() {
	if (!V2validateData(this.desc, this.itemobj, this.error)) {
		this.itemobj.focus();
		return false;
	}
	return true;
}
function ValidationSet(inputitem) {
	this.vSet = new Array();
	this.add = add_validationdesc;
	this.validate = vset_validate;
	this.itemobj = inputitem;
}
function add_validationdesc(desc, error) {
	this.vSet[this.vSet.length] = new ValidationDesc(this.itemobj, desc, error);
}
function vset_validate() {
	for (var itr = 0; itr < this.vSet.length; itr++) {
		if (!this.vSet[itr].validate()) {
			return false;
		}
	}
	return true;
}
function validateEmailv2(email) {
// a very simple email validation checking.
// you can add more complex email checking if it helps
	if (email.length <= 0) {
		return true;
	}
	var splitted = email.match("^(.+)@(.+)$");
	if (splitted == null) {
		return false;
	}
	if (splitted[1] != null) {
		var regexp_user = /^\"?[\w-_\.]*\"?$/;
		if (splitted[1].match(regexp_user) == null) {
			return false;
		}
	}
	if (splitted[2] != null) {
		var regexp_domain = /^[\w-\.]*\.[A-Za-z]{2,4}$/;
		if (splitted[2].match(regexp_domain) == null) {
			var regexp_ip = /^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
			if (splitted[2].match(regexp_ip) == null) {
				return false;
			}
		}// if
		return true;
	}
	return false;
}
function V2validateData(strValidateStr, objValue, strError, formobj) {
	var epos = strValidateStr.search("=");
	var command = "";
	var cmdvalue = "";
	if (epos >= 0) {
		command = strValidateStr.substring(0, epos);
		cmdvalue = strValidateStr.substr(epos + 1);
	} else {
		command = strValidateStr;
	}
	switch (command) {
	  case "req":
	  case "required":
		if (eval(objValue.value.length) == 0) {
			if (!strError || strError.length == 0) {
				strError = objValue.name + " : Required Field";
			}//if
			alert(strError);
			return false;
		}//if
		break;//case required
	  case "maxlength":
	  case "maxlen":
		if (eval(objValue.value.length) > eval(cmdvalue)) {
			if (!strError || strError.length == 0) {
				strError = objValue.name + " : " + cmdvalue + " characters maximum ";
			}//if
			alert(strError);
			return false;
		}//if
		break;//case maxlen
	  case "minlength":
	  case "minlen":
		if (eval(objValue.value.length) < eval(cmdvalue)) {
			if (!strError || strError.length == 0) {
				strError = objValue.name + " : " + cmdvalue + " characters minimum  ";
			}//if
			alert(strError);
			return false;
		}//if
		break;//case minlen
	  case "alphanumsomespl":
		var charpos = objValue.value.search("[^A-Za-z0-9 ,'-_]");
		if (objValue.value.length > 0 && charpos >= 0) {
			if (!strError || strError.length == 0) {
				strError = objValue.name + ": Only alpha-numeric characters allowed ";
			}//if
			alert(strError);
			return false;
		}//if
		break;//case alphanumeric
	  case "alnum":
	  case "alphanumeric":
		var charpos = objValue.value.search("[^A-Za-z0-9]");
		if (objValue.value.length > 0 && charpos >= 0) {
			if (!strError || strError.length == 0) {
				strError = objValue.name + ": Only alpha-numeric characters allowed ";
			}//if
			alert(strError);
			return false;
		}//if
		break;//case alphanumeric
	  case "num":
	  case "numeric":
		var charpos = objValue.value.search("[^0-9]");
		if (objValue.value.length > 0 && charpos >= 0) {
			if (!strError || strError.length == 0) {
				strError = objValue.name + ": Only digits allowed ";
			}//if
			alert(strError);
			return false;
		}//if
		break;//numeric
	  case "alphabetic":
	  case "alpha":
		var charpos = objValue.value.search("[^A-Za-z]");
		if (objValue.value.length > 0 && charpos >= 0) {
			if (!strError || strError.length == 0) {
				strError = objValue.name + ": Only alphabetic characters allowed ";
			}//if
			alert(strError);
			return false;
		}//if
		break;//alpha
	  case "alnumhyphen":
		var charpos = objValue.value.search("[^A-Za-z0-9-_]");
		if (objValue.value.length > 0 && charpos >= 0) {
			if (!strError || strError.length == 0) {
				strError = objValue.name + ": characters allowed are A-Z,a-z,0-9,- and _";
			}//if
			alert(strError);
			return false;
		}//if
		break;
	  case "phone":
		var charpos = objValue.value.search("[^0-9-_+()]");
		if (objValue.value.length > 0 && charpos >= 0) {
			if (!strError || strError.length == 0) {
				strError = objValue.name + ": characters allowed are A-Z,a-z,0-9,- and _";
			}//if
			alert(strError);
			return false;
		}//if
		break;
	  case "email":
		if (!validateEmailv2(objValue.value)) {
			if (!strError || strError.length == 0) {
				strError = objValue.name + ": Enter a valid Email address ";
			}//if
			alert(strError);
			return false;
		}//if
		break;//case email
	  case "lt":
	  case "lessthan":
		if (isNaN(objValue.value)) {
			alert(objValue.name + ": Should be a number ");
			return false;
		}//if
		if (eval(objValue.value) >= eval(cmdvalue)) {
			if (!strError || strError.length == 0) {
				strError = objValue.name + " : value should be less than " + cmdvalue;
			}//if
			alert(strError);
			return false;
		}//if
		break;//case lessthan
	  case "gt":
	  case "greaterthan":
		if (isNaN(objValue.value)) {
			alert(objValue.name + ": Should be a number ");
			return false;
		}//if
		if (eval(objValue.value) <= eval(cmdvalue)) {
			if (!strError || strError.length == 0) {
				strError = objValue.name + " : value should be greater than " + cmdvalue;
			}//if
			alert(strError);
			return false;
		}//if
		break;//case greaterthan
	  case "regexp":
		if (objValue.value.length > 0) {
			if (!objValue.value.match(cmdvalue)) {
				if (!strError || strError.length == 0) {
					strError = objValue.name + ": Invalid characters found ";
				}//if
				alert(strError);
				return false;
			}//if
		}
		break;//case regexp
	  case "dontselect":
		if (objValue.selectedIndex == null) {
			alert("BUG: dontselect command for non-select Item");
			return false;
		}
		if (objValue.selectedIndex == eval(cmdvalue)) {
			if (!strError || strError.length == 0) {
				strError = objValue.name + ": Please Select one option ";
			}//if
			alert(strError);
			return false;
		}
		break;//case dontselect
	  case "eq":
		if (objValue.value != fname[cmdvalue].value) {
			alert(strError);
			return false;
		}
		break;
	  case "confirmMsg":
		var flag = confirm("Are you sure you wish to continue?");
		return flag;
		break;
	  case "intendArticels":
		if (document.forms[0].intendArticels[0].checked == true) {
			if (eval(objValue.value.length) == 0) {
				alert(strError);
				return false;
			}
		}
		break;
	  case "classReq":
		if (document.forms[0].moreClasses[1].checked == true) {
			if (eval(objValue.value.length) == 0) {
				alert(strError);
				return false;
			}
		}
		break;
		
		case "classReq1":
		if (document.forms[0].moreClasses[1].checked == true) {
			if (objValue.value== 0) {
				alert(strError);
				return false;
			}
		}
		break;
		
	 case "studNum1":
		if (document.forms[0].moreClasses[1].checked == true) {
			if (eval(objValue.value.length) == 0) {
				alert(strError);
				return false;
			}
		}
		break;
			 
	 case "studNum":
		if (document.forms[0].moreClasses[1].checked == true) {
			var charpos = objValue.value.search("[^0-9]");
			if (objValue.value.length > 0 && charpos >= 0) {
				alert(strError);
				return false;
			}
		}
		break;
		
	  case "checkWpOthers":
		if (document.forms[0].intendArticels[0].checked == true) {
			if (fname[cmdvalue].value == "Other") {
				if (eval(objValue.value.length) == 0) {
					alert(strError);
					return false;
				}
			}
		}
		break;
	  case "checkNwOthers":
		if (fname[cmdvalue].disabled == false) {
			if (eval(objValue.value.length) == 0) {
				alert(strError);
				return false;
			}
		}
		break;
	}//switch
	return true;
}


//----------------------------location-----------------------------------------------//
function gotoURL(URL) {
	window.location.href = URL;
}

//---highlight(cb)---//
function highlight(cb) {
	if (cb.checked) {
		cb.parentNode.parentNode.className = "bghighlite";
	} else {
		if (cb.id == "oddRow") {
			cb.parentNode.parentNode.className = "bg1";
		} else {
			cb.parentNode.parentNode.className = "bg2";
		}
	}
}
//--------------------------------MM_preloadImages----------------------------------------//
function MM_preloadImages() { //v3.0
	var d = document;
	if (d.images) {
		if (!d.MM_p) {
			d.MM_p = new Array();
		}
		var i, j = d.MM_p.length, a = MM_preloadImages.arguments;
		for (i = 0; i < a.length; i++) {
			if (a[i].indexOf("#") != 0) {
				d.MM_p[j] = new Image;
				d.MM_p[j++].src = a[i];
			}
		}
	}
}
function MM_swapImgRestore() { //v3.0
	var i, x, a = document.MM_sr;
	for (i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) {
		x.src = x.oSrc;
	}
}
function MM_findObj(n, d) { //v4.01
	var p, i, x;
	if (!d) {
		d = document;
	}
	if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
		d = parent.frames[n.substring(p + 1)].document;
		n = n.substring(0, p);
	}
	if (!(x = d[n]) && d.all) {
		x = d.all[n];
	}
	for (i = 0; !x && i < d.forms.length; i++) {
		x = d.forms[i][n];
	}
	for (i = 0; !x && d.layers && i < d.layers.length; i++) {
		x = MM_findObj(n, d.layers[i].document);
	}
	if (!x && d.getElementById) {
		x = d.getElementById(n);
	}
	return x;
}
function MM_swapImage() { //v3.0
	var i, j = 0, x, a = MM_swapImage.arguments;
	document.MM_sr = new Array;
	for (i = 0; i < (a.length - 2); i += 3) {
		if ((x = MM_findObj(a[i])) != null) {
			document.MM_sr[j++] = x;
			if (!x.oSrc) {
				x.oSrc = x.src;
			}
			x.src = a[i + 2];
		}
	}
}

//-------------------------------popup-----------------------------------------//
function MM_openBrWindow(theURL, winName, features) {
	window.open(theURL, winName, features);
}