function showVideo(top,top1,top2) /*displays video, video container and video text divs*/
{
if (document.getElementById)
{var style1 = document.getElementById(top).style;
style1.zIndex = "1";
style1.display = "block";
}
{var style2 = document.getElementById(top1).style;
style2.zIndex = "1";
style2.display = "block";
}
{var style3 = document.getElementById(top2).style;
style3.zIndex = "1";
style3.display = "block";
}
}

function hideVideotxt(txt1, txt2, txt3, txt4, txt5)
{
if (document.getElementById)
{var styletxt1 = document.getElementById(txt1).style;
styletxt1.zIndex = "0";
styletxt1.display = "none";
}
{var styletxt2 = document.getElementById(txt2).style;
styletxt2.zIndex = "0";
styletxt2.display = "none";
}
{var styletxt3 = document.getElementById(txt3).style;
styletxt3.zIndex = "0";
styletxt3.display = "none";
}
{var styletxt4 = document.getElementById(txt4).style;
styletxt4.zIndex = "0";
styletxt4.display = "none";
}
{var styletxt5 = document.getElementById(txt5).style;
styletxt5.zIndex = "0";
styletxt5.display = "none";
}
}

function hideVideo (video1, video2, video3, video4, video5)
{
if (document.getElementById)
{var style4 = document.getElementById(video1).style;
style4.zIndex = "0";
style4.display="none";
}
{var style5 = document.getElementById(video2).style;
style5.zIndex = "0";
style5.display="none";
}
{var style6 = document.getElementById(video3).style;
style6.zIndex = "0";
style6.display="none";
}
{var style7 = document.getElementById(video4).style;
style7.zIndex = "0";
style7.display="none";
}
{var style8 = document.getElementById(video5).style;
style8.zIndex = "0";
style8.display="none";
}
}