//navigation menu mouse over image change
if (document.images) {var navi_business_industry=new Image(); navi_business_industry.src="images/navi_business_industry_off.gif";}
if (document.images) {var navi_government_agencies=new Image(); navi_government_agencies.src="images/navi_government_agencies_off.gif";}
if (document.images) {var navi_professional_institutions=new Image(); navi_professional_institutions.src="images/navi_professional_institutions_off.gif";}
if (document.images) {var navi_unis_research=new Image(); navi_unis_research.src="images/navi_unis_research_off.gif";}
if (document.images) {var navi_schools_programs=new Image(); navi_schools_programs.src="images/navi_schools_programs_off.gif";}

if (document.images) {var navi_about=new Image(); navi_about.src="images/navi_about_off.gif";}
if (document.images) {var navi_projectinitiatives=new Image(); navi_projectinitiatives.src="images/navi_projectinitiatives_off.gif";}
if (document.images) {var navi_resources=new Image(); navi_resources.src="images/navi_resources_off.gif";}
if (document.images) {var navi_meettheteams=new Image(); navi_meettheteams.src="images/navi_meettheteams_off.gif";}
if (document.images) {var navi_partnersandalliances=new Image(); navi_partnersandalliances.src="images/navi_partnersandalliances_off.gif";}
if (document.images) {var navi_contact=new Image(); navi_contact.src="images/navi_contact_off.gif";}

// suckerfish dropdowns for nav_main
sfHover = function() {
   var sfEls = document.getElementById("nav_main").getElementsByTagName("LI");
   for (var i=0; i<sfEls.length; i++) {
	   sfEls[i].onmouseover=function() {
		   this.className+=" sfhover";
	   }
	   sfEls[i].onmouseout=function() {
		   this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
	   }
   }
}

// suckerfish dropdowns for nav_sub
sfHover2 = function() {
   var sfEls = document.getElementById("nav_sub").getElementsByTagName("LI");
   for (var i=0; i<sfEls.length; i++) {
	   sfEls[i].onmouseover=function() {
		   this.className+=" sfhover";
	   }
	   sfEls[i].onmouseout=function() {
		   this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
	   }
   }
}

// suckerfish dropdowns for nav_left
sfHover3 = function() {
   var sfEls = document.getElementById("nav_left").getElementsByTagName("LI");
   for (var i=0; i<sfEls.length; i++) {
	   sfEls[i].onmouseover=function() {
		   this.className+=" sfhover";
	   }
	   sfEls[i].onmouseout=function() {
		   this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
	   }
   }
}