// JavaScript Document
function getid(id)
{
	return document.getElementById(id);
}
<!--
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 topnav()
{
	MM_preloadImages('/wp-content/themes/sallymorgan/images/btn_headerMenu_Home_sld.jpg','/wp-content/themes/sallymorgan/images/btn_headerMenu_News_sld.jpg','/wp-content/themes/sallymorgan/images/btn_headerMenu_About_sld.jpg','/wp-content/themes/sallymorgan/images/btn_headerMenu_SeeSally_sld.jpg','/wp-content/themes/sallymorgan/images/btn_headerMenu_Merchandise_sld.jpg','/wp-content/themes/sallymorgan/images/btn_headerMenu_Videos_sld.jpg','/wp-content/themes/sallymorgan/images/btn_headerMenu_Pictures_sld.jpg','/wp-content/themes/sallymorgan/images/btn_headerMenu_Blog_sld.jpg','/wp-content/themes/sallymorgan/images/btn_headerMenu_Contact_sld.jpg','/wp-content/themes/sallymorgan/images/logo_header_menu_right_01_sld.jpg','/wp-content/themes/sallymorgan/images/logo_header_menu_right_02_sld.jpg','/wp-content/themes/sallymorgan/images/logo_header_menu_right_03_sld.jpg','/wp-content/themes/sallymorgan/images/logo_header_menu_right_04_sld.jpg')
	var toplinks=getid('MainMenu').getElementsByTagName('img')
	var topScllinks=getid('Links').getElementsByTagName('img')
	for(i=0;i<toplinks.length;i++)
	{
		toplinks[i].id='MainMenu'+i;
		if(toplinks[i].src.indexOf('_sld')==-1)
		{
			toplinks[i].onmouseover=showSld;
			toplinks[i].onmouseout=showNml;
		}
	}
	for(j=0;j<topScllinks.length;j++)
	{
		topScllinks[j].id='sclMenu'+j;
		if((topScllinks[j].src.indexOf('_sld')==-1) && (topScllinks[j].src.indexOf('header_text_followMe')==-1) && (topScllinks[j].src.indexOf('subscribe_16_16')==-1))
		{
			topScllinks[j].onmouseover=showSld;
			topScllinks[j].onmouseout=showNml;
		}
	}
}
function showSld()
{
	var queryStrt = (getid(this.id).src).indexOf('.jpg');
	var queryEnd = getid(this.id).src.length;
	getid(this.id).src=(getid(this.id).src).substring(0,queryStrt)+'_sld'+(getid(this.id).src).substring(queryStrt,queryEnd);
}
function showNml()
{
	var queryStrt = (getid(this.id).src).indexOf('.jpg');
	var queryEnd = getid(this.id).src.length;
	getid(this.id).src=(getid(this.id).src).substring(0,(queryStrt-4))+(getid(this.id).src).substring(queryStrt,queryEnd);
}
window.onload=topnav;