function slide1()
{
document.getElementById("slide_one").style.visibility="visible";
document.getElementById("slide_two").style.visibility="hidden";
document.getElementById("slide_three").style.visibility="hidden";
document.getElementById("slide_four").style.visibility="hidden";
document.getElementById("slide_five").style.visibility="hidden";
document.getElementById("slide_six").style.visibility="hidden";
}

 
 
 function slide2()
{
document.getElementById("slide_one").style.visibility="hidden";
document.getElementById("slide_two").style.visibility="visible";
document.getElementById("slide_three").style.visibility="hidden";
document.getElementById("slide_four").style.visibility="hidden";
document.getElementById("slide_five").style.visibility="hidden";
document.getElementById("slide_six").style.visibility="hidden";
}


 function slide3()
{
document.getElementById("slide_one").style.visibility="hidden";
document.getElementById("slide_two").style.visibility="hidden";
document.getElementById("slide_three").style.visibility="visible";
document.getElementById("slide_four").style.visibility="hidden";
document.getElementById("slide_five").style.visibility="hidden"
document.getElementById("slide_six").style.visibility="hidden";;

}

 function slide4()
{
document.getElementById("slide_one").style.visibility="hidden";
document.getElementById("slide_two").style.visibility="hidden";
document.getElementById("slide_three").style.visibility="hidden";
document.getElementById("slide_four").style.visibility="visible";
document.getElementById("slide_five").style.visibility="hidden";
document.getElementById("slide_six").style.visibility="hidden";
}

 function slide5()
{
document.getElementById("slide_one").style.visibility="hidden";
document.getElementById("slide_two").style.visibility="hidden";
document.getElementById("slide_three").style.visibility="hidden";
document.getElementById("slide_four").style.visibility="hidden";
document.getElementById("slide_five").style.visibility="visible";
document.getElementById("slide_six").style.visibility="hidden";
}

 function slide6()
{
document.getElementById("slide_one").style.visibility="hidden";
document.getElementById("slide_two").style.visibility="hidden";
document.getElementById("slide_three").style.visibility="hidden";
document.getElementById("slide_four").style.visibility="hidden";
document.getElementById("slide_five").style.visibility="hidden";
document.getElementById("slide_six").style.visibility="visible";
}











//for mozilla or not	
function playSoundx(soundfile) {
document.getElementById("dummy").innerHTML="<embed src=\""+soundfile+"\" hidden=\"true\" autostart=\"true\" loop=\"false\" />";
}