function button_onMouseOver(n)
{
 if (v) 
  { document.images["but"+n].src = ButtonArrOv[n].src;}
}
function button_onMouseOn(n)
{
 if (v) 
  { document.images["but"+n].src = ButtonArrOn[n].src;}
}
function button_onMousedown(n)
{
 if (v) 
  { document.images["but"+n].src = ButtonArrdown[n].src;}
}

function button_onMouseOut(n)
{
 if (v) 
  { document.images["but"+n].src = ButtonArrOff[n].src;
  }
}

curButOn=1;
bn=navigator.appName;
bv=parseInt( navigator.appVersion );
v=false;
var IE=false;
if(bn == 'Microsoft Internet Explorer' && bv >=4) IE= true;
if(( bn == 'Netscape' && bv >= 3 )||( bn == 'Microsoft Internet Explorer' && bv >=4 )) v = true;
if (v) {
        ButtonArrOn=new Array();
        ButtonArrOn[1]=new Image();
        ButtonArrOn[1].src='img/m07-act.gif';
        ButtonArrOn[2]=new Image();
        ButtonArrOn[2].src='img/m05-act.gif';
        ButtonArrOn[3]=new Image();
        ButtonArrOn[3].src='img/m08-act.gif';
        ButtonArrOn[4]=new Image();
        ButtonArrOn[4].src='img/m04-act.gif';
        ButtonArrOn[5]=new Image();
        ButtonArrOn[5].src='img/m06-act.gif';
        ButtonArrOn[8]=new Image();
        ButtonArrOn[8].src='img/h1.gif';
        ButtonArrOn[25]=new Image();
        ButtonArrOn[25].src='img/pdct-btn-slpanel.gif';


        ButtonArrdown=new Array();
        ButtonArrdown[1]=new Image();
        ButtonArrdown[1].src='img/m07-act_2n.gif';
        ButtonArrdown[2]=new Image();
        ButtonArrdown[2].src='img/m05-act_2n.gif';
        ButtonArrdown[3]=new Image();
        ButtonArrdown[3].src='img/m08-act_2n.gif';
        ButtonArrdown[4]=new Image();
        ButtonArrdown[4].src='img/m04-act_2n.gif';
        ButtonArrdown[5]=new Image();
        ButtonArrdown[5].src='img/m06-act_2n.gif';
        ButtonArrdown[8]=new Image();
        ButtonArrdown [8].src='img/h1.gif';
        ButtonArrdown[25]=new Image();
        ButtonArrdown [25].src='img/pdct-btn-slpanel_.gif';    


        ButtonArrOv=new Array();
        ButtonArrOv[1]=new Image();
        ButtonArrOv[1].src='img/m07-act_1n.gif';
        ButtonArrOv[2]=new Image();
        ButtonArrOv[2].src='img/m05-act_1.gif';
        ButtonArrOv[3]=new Image();
        ButtonArrOv[3].src='img/m08-act_1.gif';
        ButtonArrOv[4]=new Image();
        ButtonArrOv[4].src='img/m04-act_1.gif';
        ButtonArrOv[5]=new Image();
        ButtonArrOv[5].src='img/m06-act_1.gif';
        ButtonArrOv[8]=new Image();
        ButtonArrOv[8].src='img/h1_.gif';
        ButtonArrOv[25]=new Image();
        ButtonArrOv[25].src='img/pdct-btn-slpanel_.gif';

        ButtonArrOff=new Array();
        ButtonArrOff[1]=new Image();
        ButtonArrOff[1].src='img/m07-act_2n.gif';
        ButtonArrOff[2]=new Image();
        ButtonArrOff[2].src='img/m05-act.gif';
        ButtonArrOff[3]=new Image();
        ButtonArrOff[3].src='img/m08-act.gif';
        ButtonArrOff[4]=new Image();
        ButtonArrOff[4].src='img/m04-act.gif';
        ButtonArrOff[5]=new Image();
        ButtonArrOff[5].src='img/m06-act.gif';
        ButtonArrOff[8]=new Image();
        ButtonArrOff[8].src='img/h1.gif'; 
        ButtonArrOff[25]=new Image();
        ButtonArrOff[25].src='img/pdct-btn-slpanel.gif'; 
}