// Function opens link in new window
//
function openInNewWindow(address) {
var newWindow = window.open(address, 'newWindow');
newWindow.focus();
return false;
}

// Function turns spam-bot protected e-mail addresses
// into functioning e-mail links
//
function emailCloak() {
	if (document.getElementById) {
		//var alltags = document.all? document.all : document.getElementsByTagName("*");
		var alltags = document.all? document.all : document.getElementsByTagName("span");
		for (i=0; i < alltags.length; i++) {
		  var strClassName = "cloak";
		  strClassName = strClassName.replace(/\-/g, "\\-");
		  var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
		  if (oRegExp.test(alltags[i].className)) {
			var oldText = alltags[i].firstChild;
			var emailAddress = alltags[i].firstChild.nodeValue;
			var user = emailAddress.substring(0, emailAddress.indexOf("("));
			var website = emailAddress.substring(emailAddress.indexOf(")")+1, emailAddress.length);
			var newText = user+"@"+website;
			var a = document.createElement("a");
			a.href = "mailto:"+newText;
			var address = document.createTextNode(newText);
			a.appendChild(address);
			alltags[i].replaceChild(a,oldText);
		  }
		}
	}
}

//
// getElementsByClassName(parent element,tag,class)
// returns all elements of a certain class name
function getElementsByClassName(oElm, strTagName, strClassName){
    var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
    var arrReturnElements = new Array();
    strClassName = strClassName.replace(/\-/g, "\\-");
    var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
    var oElement;
    for(var i=0; i<arrElements.length; i++){
        oElement = arrElements[i];      
        if(oRegExp.test(oElement.className)){
            arrReturnElements.push(oElement);
        }   
    }
    return (arrReturnElements)
}

//
// validates evalution form
//
var frmFalse;
function formCheck(form) {
	// check textareas
	var elements = form.elements;
	var elmLength = elements.length;
	var regNoCheck = new RegExp("(^|\\s)" + 'nocheck' + "(\\s|$)");
	var regEmail = new RegExp("(^|\\s)" + 'email' + "(\\s|$)");
	
	for(i=0;i<elmLength;i++) {
		var element = elements[i];
		if(element.type == "textarea" || element.type == "text" || element.type == "select-one") {
			if(element.value == "" && regNoCheck.test(element.className) == false) {
				var elmParent = element.parentNode;
				elmParent.className += " missing";
				element.onblur = function() { inputVal(this); }
				var frmReturn = "false";
			}
			if(regEmail.test(element.className)) { 
				var mailcheck = echeck(element.value); 
				if(mailcheck == false) {
					var elmParent = element.parentNode;
					elmParent.className += " missing";
					element.onblur = function() { inputVal(this); }
					var frmReturn = "false";
				}
			}
		}
		if(element.type == "radio" || element.type == "checkbox") {
			var elmName = element.name;
			//var radios = form.eval(elmName);
			var radios = form[elmName];
			var radiosLength = radios.length;
			var radiosCheck = "no";
			for(j=0;j<radiosLength;j++) {
				var radio = radios[j];
				if(radio.checked == true || regNoCheck.test(radio.className)) radiosCheck = "yes";
				else radio.onclick = function() { radioVal(this); }
			}
			if(radiosCheck == "no") {
				var elmParent = radio.parentNode.parentNode;
				elmParent.className = "missing";
				var frmReturn = "false";
			}
		}
	}
	if(frmReturn == "false" && frmFalse != "true") {
		frmFalse = "true";
		var errorPara = document.createElement('p');
			errorPara.setAttribute('id','frm-error');
		var errorText = document.createTextNode("You didn't complete the entire form. Parts highlighted in red need to be filled out.");
		errorPara.appendChild(errorText);
		form.insertBefore(errorPara,form.firstChild);
	}
	if(frmReturn == "false") {
		scroll(0,0);
		return false;
	}
}

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   //alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   //alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    //alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    //alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    //alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}


function inputVal(input) {
	if(input.value != "") {
		var parentClass = input.parentNode.className;
		parentClass = parentClass.replace(/missing/g,"");
		//parentClass = "";
		input.parentNode.className = parentClass;
	}
}
function radioVal(input) {
	var parent = input.parentNode.parentNode;
	var parentClass = parent.className;
	parentClass = parentClass.replace("missing","");
	parent.className = "";
}


//
// initForm()
// sets onsubmit form validation for all forms with a class of 'validate'
//
function initForm() {
	if(pageForm = getElementsByClassName(document,'form','validate')) {
		for(i=0;i<pageForm.length;i++) {
			pageForm[i].onsubmit = function() { return formCheck(this); }
		}
	}
}

// text formatting effects
TextFX = new Object();

// adds a drop shadow to the specified element
TextFX.addDropShadow = function(element, ox, oy, color)
{
	var shadow = document.createElement("SPAN");
	var shadowText = "";
	
	if (element.shadowText == null)
	{
		element.shadow = new Array();
		element.shadowText = element.innerHTML.replace(/<.*?>/gi, "");
		element.style.position = "relative";
		//element.style.width = "100%";
		element.style.zIndex = 1;
	}
	if(navigator.appVersion.indexOf("MSIE")!=-1&&navigator.appVersion.indexOf("Windows")>-1){
		var padding_top = parseFloat(getStyle(element,'paddingTop'));
		var padding_left = parseFloat(getStyle(element,'paddingLeft'));
		var padding_right = parseFloat(getStyle(element,'paddingRight'));
	}
	else {
		var padding_top = parseFloat(getStyle(element,'padding-top'));
		var padding_left = parseFloat(getStyle(element,'padding-left'));
		var padding_right = parseFloat(getStyle(element,'padding-right'));
		shadow.style.left = (ox+padding_left) + "px";
		shadow.style.top = (oy+padding_top) + "px";
	}
	
	shadow.innerHTML = element.shadowText;
	shadow.style.backgroundColor = "Transparent";
	shadow.style.color = color;
	shadow.style.position = "absolute";
	shadow.style.marginRight = padding_right + "px";
	shadow.style.zIndex = -(element.shadow.length + 1);
	
	element.insertBefore(shadow, element.firstChild);
	element.shadow.push(shadow);
}

function getStyle(oElm, strCssRule){
	var strValue = "";
	if(document.defaultView && document.defaultView.getComputedStyle){
		strValue = document.defaultView.getComputedStyle(oElm, "").getPropertyValue(strCssRule);
	}
	else if(oElm.currentStyle){
		strCssRule = strCssRule.replace(/-(w)/g, function (strMatch, p1){
			return p1.toUpperCase();
		});
		strValue = oElm.currentStyle[strCssRule];
	}
	return strValue;
}

function initShadows() {
	var headers = document.getElementById("special").getElementsByTagName('strong');
	if(headers) {
		for(i=0;i<headers.length;i++) {
			var heading = headers[i];
			TextFX.addDropShadow(heading, -1, 1, "#000");
		}
	}
}

//
// addLoadEvent()
// Adds event to window.onload without overwriting currently assigned onload functions.
// Function found at Simon Willison's weblog - http://simon.incutio.com/
//
function addLoadEvent(func)
{	
	var oldonload = window.onload;
	if (typeof window.onload != 'function'){
    	window.onload = func;
	} else {
		window.onload = function(){
		oldonload();
		func();
		}
	}
}

//addLoadEvent(initShadows);
addLoadEvent(emailCloak);
addLoadEvent(initForm);