// JavaScript Document

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 loadImages() {
	MM_preloadImages('/images/navigation/des-moines-on.gif','/images/navigation/cedar-rapids-on.gif','/images/navigation/home-styles-on.gif','/images/navigation/why-jerrys-homes-on.gif','/images/navigation/about-us-on.gif','/images/navigation/design-center-on.gif','/images/global/adjust-text-minus-over.gif','/images/global/adjust-text-plus-over.gif');
}

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];}
}

function changeFont(fsize) {
	if (fsize == 's') {
		document.getElementById('mainBody').style.fontSize = "12px";
	}
	if (fsize == 'l') {
		document.getElementById('mainBody').style.fontSize = "15px";
	}
	setCookie("bodyFontSize",fsize,2);
}

function setDefaultFontSize() {
	var fsize = getCookie("bodyFontSize");
	if (fsize) {
		if (fsize == 's') {
			document.getElementById('mainBody').style.fontSize = "12px";
		}
		if (fsize == 'l') {
			document.getElementById('mainBody').style.fontSize = "15px";
		}
	}
}

function setCookie(c_name,value,expiredays) {
	var exdate = new Date();
	exdate.setDate(exdate.getDate() + expiredays);
	document.cookie = c_name + "=" + escape(value) + ((expiredays==null)?"":";expires=" + exdate.toGMTString()) + ";path=/";
}

function getCookie(c_name) {
	if (document.cookie.length > 0) {
		c_start = document.cookie.indexOf(c_name + "=");
		if (c_start != -1) { 
			c_start = c_start + c_name.length + 1;
			c_end = document.cookie.indexOf(";",c_start);
			if (c_end == -1) {
				c_end=document.cookie.length;
			}
			return unescape(document.cookie.substring(c_start,c_end));
		}
	}
	return false;
}

function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	}
	else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}

addLoadEvent(setDefaultFontSize);
addLoadEvent(loadImages);