var ver=navigator.userAgent
if (ver.match("MSIE 5.5")||ver.match("MSIE 6"))
{
image1 = new Image();
image2 = new Image();
image3 = new Image();

image1.src = "28plus_hov.gif";
image2.src = "28minus_hov.gif";
image3.src = "28100_hov.gif";

document.write('<IMG border=0 align=absmiddle hspace=2 vspace=2 src="28plus.gif" onclick="zoom(\'+\');" ALT="Powiększ stronę" onmouseover="this.src=\'28plus_hov.gif\'" onmouseout="this.src=\'28plus.gif\'">');
document.write('<IMG border=0 align=absmiddle hspace=2 vspace=2 src="28minus.gif" onclick="zoom(\'-\');" ALT="Pomniejsz stronę" onmouseover="this.src=\'28minus_hov.gif\'" onmouseout="this.src=\'28minus.gif\'">');
document.write('<IMG border=0 align=absmiddle hspace=2 vspace=2 src="28100.gif" onclick="zoom(\'1\');" ALT="Rozmiar początkowy strony" onmouseover="this.src=\'28100_hov.gif\'" onmouseout="this.src=\'28100.gif\'">');
}

function zoom(z)
{
        a=top.document.body.style.zoom;
        if (a==""){a=1;}else{a=parseFloat(a);}
        olda=a;
        switch(z)
          {case "+":
           if(a<1){a=1}else{if(a<2){a=a+0.2;}else{if(a<5)a=a+0.4;}}
           break;
           case "-":
           if(a<=1){a=.8}else{if(a<=2){a=a-0.2}else{a=a-0.4}}
           break;
           case "1":
           a=1;
           break;
          }
         if (olda!=a)
           {top.document.body.style.zoom=a;
           self.blur();
           window.focus();
          }
}