function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

//the next 3 lines are browser detection for user-agent DOMS
ns4 = (document.layers) ? true:false //required for Functions to work
ie4 = (document.all) ? true:false //required for Functions to work
ng5 = (document.getElementById) ? true:false //required for Functions to work

function hideSec() {
if (ng5) document.getElementById('sec1').style.visibility = "hidden"
else if (ns4) document.sec1.visibility = "hide"
else if (ie4) sec1.style.visibility ="hidden"

if (ng5) document.getElementById('sec2').style.visibility = "hidden"
else if (ns4) document.sec2.visibility = "hide"
else if (ie4) sec2.style.visibility ="hidden"

if (ng5) document.getElementById('sec3').style.visibility = "hidden"
else if (ns4) document.sec3.visibility = "hide"
else if (ie4) sec3.style.visibility ="hidden"

if (ng5) document.getElementById('sec4').style.visibility = "hidden"
else if (ns4) document.sec4.visibility = "hide"
else if (ie4) sec4.style.visibility ="hidden"

if (ng5) document.getElementById('sec5').style.visibility = "hidden"
else if (ns4) document.sec5.visibility = "hide"
else if (ie4) sec5.style.visibility ="hidden"

if (ng5) document.getElementById('sec6').style.visibility = "hidden"
else if (ns4) document.sec6.visibility = "hide"
else if (ie4) sec6.style.visibility ="hidden"

if (ng5) document.getElementById('sec7').style.visibility = "hidden"
else if (ns4) document.sec7.visibility = "hide"
else if (ie4) sec7.style.visibility ="hidden"

if (ng5) document.getElementById('sec8').style.visibility = "hidden"
else if (ns4) document.sec8.visibility = "hide"
else if (ie4) sec8.style.visibility ="hidden"

if (ng5) document.getElementById('sec9').style.visibility = "hidden"
else if (ns4) document.sec9.visibility = "hide"
else if (ie4) sec9.style.visibility ="hidden"

}


function showSec(n) {
hideSec();
if (ng5) document.getElementById('sec' + n).style.visibility = "visible";
else if (ns4) document.layers["sec" + n].visibility = "show";
else if (ie4) document.all["sec" + n].style.visibility = "visible";
}

function showAllSec(n) {
if (ng5) document.getElementById('sec' + n).style.visibility = "visible";
else if (ns4) document.layers["sec" + n].visibility = "show";
else if (ie4) document.all["sec" + n].style.visibility = "visible";
}