// JavaScript Document
function EnterCheck(e, type, URL) {
    //First, grab the code for the event recently sent, try all the different ways for the
    //  different browsers, but only choose the one that returns an actual value.
    var mykeyCode = window.event ? e.keyCode : e.which;
    //If the event code is 13, enter has been pressed so we want to run the redirect function
    if (mykeyCode == 13) {
        if (type == 'calc'){
            PayCalcRun(URL); 
        }
        else {
            SearchRun(URL);
        }
    }
    else {
        //Otherwise, enter was not pressed, simply return the character so it 
        //  appears in the textbox
        return String.fromCharCode(mykeyCode);
    }
}

function PayCalcRun(URL){
    //If the textbox is there, pull the value from it
    if (document.getElementById('Payment1_monthly')){
        var Amount = document.getElementById('Payment1_monthly').value;
        var ParsedNum = parseFloat(Amount).toString();
        //Then check if the value is an valid integer, if so then re-direct the page
        if (ParsedNum.length == Amount.length && parseFloat(Amount).toString() != 'NaN'){
            window.location = URL + '?id=' + Amount ;
        }
    }
}

function SearchRun(URL){
    if (document.getElementById('submit1')){
        var Terms = document.getElementById('submit1').value;
        window.location = URL + '?terms=' + Terms ;
    }
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		nav_02_over = newImage("images/nav/nav_02-over.gif");
		nav_03_over = newImage("images/nav/nav_03-over.gif");
		nav_04_over = newImage("images/nav/nav_04-over.gif");
		nav_05_over = newImage("images/nav/nav_05-over.gif");
		nav_06_over = newImage("images/nav/nav_06-over.gif");
		nav_08_over = newImage("images/nav/nav_08-over.gif");
		nav_09_over = newImage("images/nav/nav_09-over.gif");
		nav_10_over = newImage("images/nav/nav_10-over.gif");
		nav_11_over = newImage("images/nav/nav_11-over.gif");
		nav_10_1_over = newImage("images/nav/nav_10-1-over.gif");
		nav_11_1_over = newImage("images/nav/nav_11-1-over.gif");				
		nav_12_over = newImage("images/nav/nav_12-over.gif");	
		tnav_03_over = newImage("images/tnav_03-over.gif");
		tnav_04_over = newImage("images/tnav_04-over.gif");
		tnav_05_over = newImage("images/tnav_05-over.gif");
		tnav_06_over = newImage("images/tnav_06-over.gif");
		arrow_over = newImage("images/tiles/arrow-over.gif");
		calculate_over = newImage("images/nav/calculate-over.gif");
		go_over = newImage("images/nav/go-over.gif");
		preloadFlag = true;
	}
}

//Javascript functions used to handle MouseOver/Out and other image swapping
function swapImage(imgN,imgU){
	if(document.images)document.images[imgN].src=imgU;
}

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_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_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];
	}
}