if (document.images) {            // Active Images

<!------ header links start !------->

		img1_on = new Image();
		img1_on.src = "../images/button_home_on.gif";         
		img2_on = new Image();
		img2_on.src = "../images/button_aboutus_on.gif"; 
		img3_on = new Image();
		img3_on.src = "../images/button_members_on.gif"; 
		img4_on = new Image();
		img4_on.src = "../images/button_news_on.gif"; 
		img5_on = new Image();
		img5_on.src = "../images/button_events_on.gif"; 
		img6_on = new Image();
		img6_on.src = "../images/button_gasa_on.gif"; 
		img7_on = new Image();
		img7_on.src = "../images/button_jobs_on.gif"; 
		img8_on = new Image();
		img8_on.src = "../images/button_contactus_on.gif"; 


  		img1_off = new Image();
		img1_off.src = "../images/button_home_off.gif";
  		img2_off = new Image();
		img2_off.src = "../images/button_aboutus_off.gif";
  		img3_off = new Image();
		img3_off.src = "../images/button_members_off.gif";
  		img4_off = new Image();
		img4_off.src = "../images/button_news_off.gif";
  		img5_off = new Image();
		img5_off.src = "../images/button_events_off.gif";
  		img6_off = new Image();
		img6_off.src = "../images/button_gasa_off.gif";
  		img7_off = new Image();
		img7_off.src = "../images/button_jobs_off.gif";
  		img8_off = new Image();
		img8_off.src = "../images/button_contactus_off.gif";


<!------ header links end !------->

<!------ fotter links start !------->

		img9_on = new Image();
		img9_on.src = "../inimgs/button_adas_on.gif";       
		img10_on = new Image();
		img10_on.src = "../inimgs/button_bas_on.gif";       
		img11_on = new Image();
		img11_on.src = "../inimgs/button_dnata_on.gif";       
		img12_on = new Image();
		img12_on.src = "../inimgs/button_fia_on.gif";       
		img13_on = new Image();
		img13_on.src = "../inimgs/button_kasco_on.gif";       
		img14_on = new Image();
		img14_on.src = "../inimgs/button_oas_on.gif";       
		img15_on = new Image();
		img15_on.src = "../inimgs/button_qas_on.gif";       
		img16_on = new Image();
		img16_on.src = "../inimgs/button_ria_on.gif";       
		img17_on = new Image();
		img17_on.src = "../inimgs/button_saa_on.gif";       
		img18_on = new Image();
		img18_on.src = "../inimgs/button_unsaco_on.gif";       
		img19_on = new Image();
		img19_on.src = "/inimgs/button_nas_on.gif";



  		img9_off = new Image();
		img9_off.src = "../inimgs/button_adas_off.gif";  
  		img10_off = new Image();
		img10_off.src = "../inimgs/button_bas_off.gif";  
  		img11_off = new Image();
		img11_off.src = "../inimgs/button_dnata_off.gif";  
  		img12_off = new Image();
		img12_off.src = "../inimgs/button_fia_off.gif";  
  		img13_off = new Image();
		img13_off.src = "../inimgs/button_kasco_off.gif";  
  		img14_off = new Image();
		img14_off.src = "../inimgs/button_oas_off.gif";  
  		img15_off = new Image();
		img15_off.src = "../inimgs/button_qas_off.gif";  
  		img16_off = new Image();
		img16_off.src = "../inimgs/button_ria_off.gif";  
  		img17_off = new Image();
		img17_off.src = "../inimgs/button_saa_off.gif";  
  		img18_off = new Image();
		img18_off.src = "../inimgs/button_unsaco_off.gif";  
		img19_off = new Image();
		img19_off.src = "/inimgs/button_nas_off.gif";

<!----- fotter links end !--------->




}


// Function to 'activate' on images.
function onImgs(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "_on.src");

        }

}

// Function to 'deactivate' images.
function offImgs(imgName) {
        if (document.images) {
            document[imgName].src = eval(imgName + "_off.src");

        }
}