function imgPreload(){
	//default tab images
	tab1_default = new Image();
	tab1_default.src = "/images/nav/welcome_default.gif";
	tab2_default = new Image();
	tab2_default.src = "/images/nav/about_default.gif";
	tab3_default = new Image();
	tab3_default.src = "/images/nav/portfolios_default.gif";
	tab4_default = new Image();
	tab4_default.src = "/images/nav/research_default.gif";
	tab5_default = new Image();
	tab5_default.src = "/images/nav/fees_default.gif";
	tab6_default = new Image();
	tab6_default.src = "/images/nav/returns_default.gif";
	
	//images for tabs when they're selected
	tab1_on = new Image();
	tab1_on.src = "/images/nav/welcome_on.gif";
	tab2_on = new Image();
	tab2_on.src = "/images/nav/about_on.gif";
	tab3_on = new Image();
	tab3_on.src = "/images/nav/portfolios_on.gif";
	tab4_on = new Image();
	tab4_on.src = "/images/nav/research_on.gif";
	tab5_on = new Image();
	tab5_on.src = "/images/nav/fees_on.gif";
	tab6_on = new Image();
	tab6_on.src = "/images/nav/returns_on.gif";
	
	//images for tabs when they're behind another tab
	tab1_behind = new Image();
	tab1_behind.src = "/images/nav/welcome_behind.gif";
	tab2_behind = new Image();
	tab2_behind.src = "/images/nav/about_behind.gif";
	tab3_behind = new Image();
	tab3_behind.src = "/images/nav/portfolios_behind.gif";
	tab4_behind = new Image();
	tab4_behind.src = "/images/nav/research_behind.gif";
	tab5_behind = new Image();
	tab5_behind.src = "/images/nav/fees_behind.gif";
	
	//bottom of tab images
	bottom_default = new Image();
	bottom_default.src = "/images/nav/bottom_default.gif";
	bottom_tab0 = new Image();
	bottom_tab0.src = "/images/nav/bottom_none.gif";
	bottom_tab1 = new Image();
	bottom_tab1.src = "/images/nav/bottom_welcome.gif";
	bottom_tab2 = new Image();
	bottom_tab2.src = "/images/nav/bottom_about.gif";
	bottom_tab3 = new Image();
	bottom_tab3.src = "/images/nav/bottom_portfolios.gif";
	bottom_tab4 = new Image();
	bottom_tab4.src = "/images/nav/bottom_research.gif";
	bottom_tab5 = new Image();
	bottom_tab5.src = "/images/nav/bottom_fees.gif";
	bottom_tab6 = new Image();
	bottom_tab6.src = "/images/nav/bottom_returns.gif";
	
	//subbutton images
	investorlogin_off = new Image();
	investorlogin_off.src = "/images/nav/investorlogin_off.gif"
	commonquestions_off = new Image();
	commonquestions_off.src = "/images/nav/commonquestions_off.gif"
	steps_off = new Image();
	steps_off.src = "/images/nav/3steps_off.gif"
	currentalloc_off = new Image();
	currentalloc_off.src = "/images/nav/currentalloc_off.gif"
	investnow_off = new Image();
	investnow_off.src = "/images/nav/investnow_off.gif"
	contact_off = new Image();
	contact_off.src = "/images/nav/contact_off.gif"
	industrylinks_off = new Image();
	industrylinks_off.src = "/images/nav/industrylinks_off.gif"
	yrreturns_off = new Image();
	yrreturns_off.src = "/images/nav/yrreturns_off.gif"
	
	investorlogin_over = new Image();
	investorlogin_over.src = "/images/nav/investorlogin_over.gif"
	commonquestions_over = new Image();
	commonquestions_over.src = "/images/nav/commonquestions_over.gif"
	steps_over = new Image();
	steps_over.src = "/images/nav/3steps_over.gif"
	currentalloc_over = new Image();
	currentalloc_over.src = "/images/nav/currentalloc_over.gif"
	investnow_over = new Image();
	investnow_over.src = "/images/nav/investnow_over.gif"
	contact_over = new Image();
	contact_over.src = "/images/nav/contact_over.gif"
	yrreturns_over = new Image();
	yrreturns_over.src = "/images/nav/yrreturns_over.gif"
	
	investorlogin_down = new Image();
	investorlogin_down.src = "/images/nav/investorlogin_down.gif"
	commonquestions_down = new Image();
	commonquestions_down.src = "/images/nav/commonquestions_down.gif"
	steps_down = new Image();
	steps_down.src = "/images/nav/3steps_down.gif"
	currentalloc_down = new Image();
	currentalloc_down.src = "/images/nav/currentalloc_down.gif"
	investnow_down = new Image();
	investnow_down.src = "/images/nav/investnow_down.gif"
	contact_down = new Image();
	contact_down.src = "/images/nav/contact_down.gif"
	yrreturns_down = new Image();
	yrreturns_down.src = "/images/nav/yrreturns_down.gif"
	
	//Privacy Policy and Forms
	privacy_off = new Image();
	privacy_off.src = "/images/nav/privacy_off.gif"
	privacy_on = new Image();
	privacy_on.src = "/images/nav/privacy_on.gif"

	frm_off = new Image();
	frm_off.src = "/images/nav/forms_off.gif"
	frm_on = new Image();
	frm_on.src = "/images/nav/forms_on.gif"

	
}