if(document.images) {
    pics = new Array(); 
	pics[1] = new Image();
	pics[1].src = "img/drop_corner_out.gif";
	pics[2] = new Image();
	pics[2].src = "img/drop_corner_over.gif";
	pics[3] = new Image();
	pics[3].src = "img/our_company.gif";
	pics[4] = new Image();
	pics[4].src = "img/our_company_over.gif";
	pics[5] = new Image();
	pics[5].src = "img/employee_benefits.gif";
	pics[6] = new Image();
	pics[6].src = "img/employee_benefits_over.gif";
	pics[7] = new Image();
	pics[7].src = "img/personal_insurance.gif";
	pics[8] = new Image();
	pics[8].src = "img/personal_insurance_over.gif";
	pics[9] = new Image();
	pics[9].src = "img/services.gif";
	pics[10] = new Image();
	pics[10].src = "img/services_over.gif";
	pics[11] = new Image();
	pics[11].src = "img/commercial.gif";
	pics[12] = new Image();
	pics[12].src = "img/commercial_over.gif";
	pics[13] = new Image();
	pics[13].src = "img/pharmaceutical.gif";
	pics[14] = new Image();
	pics[14].src = "img/pharmaceutical_over.gif";
	pics[15] = new Image();
	pics[15].src = "img/technology.gif";
	pics[16] = new Image();
	pics[16].src = "img/technology_over.gif";	
}
    function changer(from,to) {
    if(document.images) {
     document.images[from].src = pics[to].src;
    }
  }