//version check and redirect
var browserVer=parseInt(navigator.appVersion); 
      if (browserVer < 4) window.location="stop.html";

//preload images, then onmouseover & mouseout functions

if (document.images)  {

  nav_home_1 = new Image; nav_home_1.src = 'img/nav_home_1.gif';
  nav_home_2 = new Image; nav_home_2.src = 'img/nav_home_2.gif';
  
  nav_company_1 = new Image; nav_company_1.src = 'img/nav_company_1.gif';
  nav_company_2 = new Image; nav_company_2.src = 'img/nav_company_2.gif';
  
  nav_solutions_1 = new Image; nav_solutions_1.src = 'img/nav_solutions_1.gif';
  nav_solutions_2 = new Image; nav_solutions_2.src = 'img/nav_solutions_2.gif';
   
  nav_staffing_1 = new Image; nav_staffing_1.src = 'img/nav_staffing_1.gif';
  nav_staffing_2 = new Image; nav_staffing_2.src = 'img/nav_staffing_2.gif';
    
  nav_ivr_1 = new Image; nav_ivr_1.src = 'img/nav_ivr_1.gif';
  nav_ivr_2 = new Image; nav_ivr_2.src = 'img/nav_ivr_2.gif';
    
  nav_contact_1 = new Image; nav_contact_1.src = 'img/nav_contact_1.gif';
  nav_contact_2 = new Image; nav_contact_2.src = 'img/nav_contact_2.gif';
  
}

function rollOver(name) {
        if (document.getElementById) {
                document.images[name].src = eval('nav_' + name + '_2.src');
        }
		else if(document.layers){
		  document.homeNav.document[name].src = eval('nav_' + name + '_2.src');
		}
}

function rollOff(name) {
        
        if (document.getElementById) {
                document.images[name].src = eval('nav_' + name + "_1.src");
        }
		else if(document.layers){
		  document.homeNav.document[name].src = eval('nav_' + name + '_1.src');
		}
}