{
      browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))
      <!--- oferta --->
      if (browser) {
             partner1_on = new Image();
             partner1_on.src = "images/loga/altoglass.gif";
             partner1_off = new Image();
             partner1_off.src = "images/loga/altoglass1.gif";
      }
      <!--- nasz zespół --->
      if (browser) {
             partner2_on = new Image();
             partner2_on.src = "images/loga/azuliber.gif";
             partner2_off = new Image();
             partner2_off.src = "images/loga/azuliber1.gif";
      }
      if (browser) {
             partner3_on = new Image();
             partner3_on.src = "images/loga/baldocer.gif";
             partner3_off = new Image();
             partner3_off.src = "images/loga/baldocer1.gif";
      }
      if (browser) {
             partner4_on = new Image();
             partner4_on.src = "images/loga/colorker.gif";
             partner4_off = new Image();
             partner4_off.src = "images/loga/colorker1.gif";
      }
      if (browser) {
             partner5_on = new Image();
             partner5_on.src = "images/loga/cristacer.gif";
             partner5_off = new Image();
             partner5_off.src = "images/loga/cristacer1.gif";
      }
      if (browser) {
             partner6_on = new Image();
             partner6_on.src = "images/loga/delconca.gif";
             partner6_off = new Image();
             partner6_off.src = "images/loga/delconca1.gif";
      }
      if (browser) {
             partner7_on = new Image();
             partner7_on.src = "images/loga/durstone.gif";
             partner7_off = new Image();
             partner7_off.src = "images/loga/durstone1.gif";
      }
      if (browser) {
             partner8_on = new Image();
             partner8_on.src = "images/loga/emigres.gif";
             partner8_off = new Image();
             partner8_off.src = "images/loga/emigres1.gif";
      }
      if (browser) {
             partner9_on = new Image();
             partner9_on.src = "images/loga/fabresa.gif";
             partner9_off = new Image();
             partner9_off.src = "images/loga/fabresa1.gif";
      }
      if (browser) {
             partner10_on = new Image();
             partner10_on.src = "images/loga/ibero.gif";
             partner10_off = new Image();
             partner10_off.src = "images/loga/ibero1.gif";
      }	  
      if (browser) {
             partner11_on = new Image();
             partner11_on.src = "images/loga/argenta.gif";
             partner11_off = new Image();
             partner11_off.src = "images/loga/argenta1.gif";
      }	  
      if (browser) {
             partner12_on = new Image();
             partner12_on.src = "images/loga/keope.gif";
             partner12_off = new Image();
             partner12_off.src = "images/loga/keope1.gif";
      }
      if (browser) {
             partner13_on = new Image();
             partner13_on.src = "images/loga/laplatera.gif";
             partner13_off = new Image();
             partner13_off.src = "images/loga/laplatera1.gif";
      }	  	   		   		   		   		   		   		   		   		   
      if (browser) {
             partner14_on = new Image();
             partner14_on.src = "images/loga/peronda.gif";
             partner14_off = new Image();
             partner14_off.src = "images/loga/peronda1.gif";
      }	
      if (browser) {
             partner15_on = new Image();
             partner15_on.src = "images/loga/realonda.gif";
             partner15_off = new Image();
             partner15_off.src = "images/loga/realonda1.gif";
      }	
      if (browser) {
             partner16_on = new Image();
             partner16_on.src = "images/loga/zirconio.gif";
             partner16_off = new Image();
             partner16_off.src = "images/loga/zirconio1.gif";
      }	
      if (browser) {
             partner17_on = new Image();
             partner17_on.src = "images/loga/7a.jpg";
             partner17_off = new Image();
             partner17_off.src = "images/loga/7.jpg";
      }	
      if (browser) {
             partner18_on = new Image();
             partner18_on.src = "images/loga/7a.jpg";
             partner18_off = new Image();
             partner18_off.src = "images/loga/7.jpg";
      }		  	  	  	    
}

function change(rys, naco) {
       if (browser) rys.src = naco.src;
       return true;
}