function showhide(){
		document.getElementById('a').style.visibility='visible';
		document.getElementById('close_a').style.visibility='visible';

}
function showhide_b(){
		document.getElementById('b').style.visibility='visible';
		document.getElementById('close_b').style.visibility='visible';
}
function showhide_c(){
		document.getElementById('c').style.visibility='visible';
		document.getElementById('close_c').style.visibility='visible';
}
function showhide_d(){
		document.getElementById('d').style.visibility='visible';
		document.getElementById('close_d').style.visibility='visible';
}
function showhide_e(){
		document.getElementById('e').style.visibility='visible';
		document.getElementById('close_e').style.visibility='visible';
}
function showhide_f(){
		document.getElementById('f').style.visibility='visible';
		document.getElementById('close_f').style.visibility='visible';
}
function showhide_close_a(){
		document.getElementById('a').style.visibility='hidden';
		document.getElementById('close_a').style.visibility='hidden';
}
function showhide_close_b(){
		document.getElementById('b').style.visibility='hidden';
		document.getElementById('close_b').style.visibility='hidden';
}
function showhide_close_c(){
		document.getElementById('c').style.visibility='hidden';
		document.getElementById('close_c').style.visibility='hidden';
}
function showhide_close_d(){
		document.getElementById('d').style.visibility='hidden';
		document.getElementById('close_d').style.visibility='hidden';
}
function showhide_close_e(){
		document.getElementById('e').style.visibility='hidden';
		document.getElementById('close_e').style.visibility='hidden';
}
function showhide_close_f(){
		document.getElementById('f').style.visibility='hidden';
		document.getElementById('close_f').style.visibility='hidden';
}



function showhidee(){
		document.getElementById('a').style.display='none';
}
function collapsea(){
		document.getElementById('a1').style.display='block';
		document.getElementById('head-a2-h2').style.display='block';
		document.getElementById('head-a2').style.display='none';
}
function collapsea_h(){
		document.getElementById('a1').style.display='none';
		document.getElementById('head-a2-h2').style.display='none';
		document.getElementById('head-a2').style.display='block';
}
/*function collapsea-changed(){
		document.getElementById('a1').style.display='none';
		document.getElementById('a2').style.display='block';
		document.getElementById('head-a2').style.display='block';
		document.getElementById('head-a1').style.display='none';
}*/
function collapseb(){
		document.getElementById('b1').style.display='block';
		document.getElementById('head-b2-h2').style.display='block';
		document.getElementById('head-b2').style.display='none';
}
function collapseb_h(){
		document.getElementById('b1').style.display='none';
		document.getElementById('head-b2-h2').style.display='none';
		document.getElementById('head-b2').style.display='block';
}
function collapsec(){
		document.getElementById('c1').style.display='block';
		document.getElementById('head-c2-h2').style.display='block';
		document.getElementById('head-c2').style.display='none';

}
function collapsec_h(){
		document.getElementById('c1').style.display='none';
		document.getElementById('head-c2-h2').style.display='none';
		document.getElementById('head-c2').style.display='block';
}
function collapsed(){
		document.getElementById('d1').style.display='block';
		document.getElementById('head-d2-h2').style.display='block';
		document.getElementById('head-d2').style.display='none';
}
function collapsed_h(){
		document.getElementById('d1').style.display='none';
		document.getElementById('head-d2-h2').style.display='none';
		document.getElementById('head-d2').style.display='block';
}
function collapsee(){
		document.getElementById('e1').style.display='block';
		document.getElementById('head-e2-h2').style.display='block';
		document.getElementById('head-e2').style.display='none';
}
function collapsee_h(){
		document.getElementById('e1').style.display='none';
		document.getElementById('head-e2-h2').style.display='none';
		document.getElementById('head-e2').style.display='block';
}
function collapsef(){
		document.getElementById('f1').style.display='block';
		document.getElementById('head-f2-h2').style.display='block';
		document.getElementById('head-f2').style.display='none';
}
function collapsef_h(){
		document.getElementById('f1').style.display='none';
		document.getElementById('head-f2-h2').style.display='none';
		document.getElementById('head-f2').style.display='block';
}
function collapseg(){
		document.getElementById('g1').style.display='block';
		document.getElementById('head-g2-h2').style.display='block';
		document.getElementById('head-g2').style.display='none';
}
function collapseg_h(){
		document.getElementById('g1').style.display='none';
		document.getElementById('head-g2-h2').style.display='none';
		document.getElementById('head-g2').style.display='block';
}
function collapseh(){
		document.getElementById('h1').style.display='block';
		document.getElementById('head-h2-h2').style.display='block';
		document.getElementById('head-h2').style.display='none';
}
function collapseh_h(){
		document.getElementById('h1').style.display='none';
		document.getElementById('head-h2-h2').style.display='none';
		document.getElementById('head-h2').style.display='block';
}
function collapsei(){
		document.getElementById('i1').style.display='block';
		document.getElementById('head-i2-h2').style.display='block';
		document.getElementById('head-i2').style.display='none';
}
function collapsei_h(){
		document.getElementById('i1').style.display='none';
		document.getElementById('head-i2-h2').style.display='none';
		document.getElementById('head-i2').style.display='block';
}
function collapsej(){
		document.getElementById('j1').style.display='block';
		document.getElementById('head-j2-h2').style.display='block';
		document.getElementById('head-j2').style.display='none';
}
function collapsej_h(){
		document.getElementById('j1').style.display='none';
		document.getElementById('head-j2-h2').style.display='none';
		document.getElementById('head-j2').style.display='block';
}
function collapsek(){
		document.getElementById('k1').style.display='block';
		document.getElementById('head-k2-h2').style.display='block';
		document.getElementById('head-k2').style.display='none';
}
function collapsek_h(){
		document.getElementById('k1').style.display='none';
		document.getElementById('head-k2-h2').style.display='none';
		document.getElementById('head-k2').style.display='block';
}
function collapsel(){
		document.getElementById('l1').style.display='block';
		document.getElementById('head-l2-h2').style.display='block';
		document.getElementById('head-l2').style.display='none';
}
function collapsel_h(){
		document.getElementById('l1').style.display='none';
		document.getElementById('head-l2-h2').style.display='none';
		document.getElementById('head-l2').style.display='block';
}
function collapsem(){
		document.getElementById('m1').style.display='block';
		document.getElementById('head-m2-h2').style.display='block';
		document.getElementById('head-m2').style.display='none';
}
function collapsem_h(){
		document.getElementById('m1').style.display='none';
		document.getElementById('head-m2-h2').style.display='none';
		document.getElementById('head-m2').style.display='block';
}
function collapsen(){
		document.getElementById('n1').style.display='block';
		document.getElementById('head-n2-h2').style.display='block';
		document.getElementById('head-n2').style.display='none';
}
function collapsen_h(){
		document.getElementById('n1').style.display='none';
		document.getElementById('head-n2-h2').style.display='none';
		document.getElementById('head-n2').style.display='block';
}
function collapseo(){
		document.getElementById('o1').style.display='block';
		document.getElementById('head-o2-h2').style.display='block';
		document.getElementById('head-o2').style.display='none';
}
function collapseo_h(){
		document.getElementById('o1').style.display='none';
		document.getElementById('head-o2-h2').style.display='none';
		document.getElementById('head-o2').style.display='block';
}
function collapsep(){
		document.getElementById('p1').style.display='block';
		document.getElementById('head-p2-h2').style.display='block';
		document.getElementById('head-p2').style.display='none';
}
function collapsep_h(){
		document.getElementById('p1').style.display='none';
		document.getElementById('head-p2-h2').style.display='none';
		document.getElementById('head-p2').style.display='block';
}
function collapseq(){
		document.getElementById('q1').style.display='block';
		document.getElementById('head-q2-h2').style.display='block';
		document.getElementById('head-q2').style.display='none';
}
function collapseq_h(){
		document.getElementById('q1').style.display='none';
		document.getElementById('head-q2-h2').style.display='none';
		document.getElementById('head-q2').style.display='block';
}
function collapser(){
		document.getElementById('r1').style.display='block';
		document.getElementById('head-r2-h2').style.display='block';
		document.getElementById('head-r2').style.display='none';
}
function collapser_h(){
		document.getElementById('r1').style.display='none';
		document.getElementById('head-r2-h2').style.display='none';
		document.getElementById('head-r2').style.display='block';
}
function collapses(){
		document.getElementById('s1').style.display='block';
		document.getElementById('head-s2-h2').style.display='block';
		document.getElementById('head-s2').style.display='none';
}
function collapses_h(){
		document.getElementById('s1').style.display='none';
		document.getElementById('head-s2-h2').style.display='none';
		document.getElementById('head-s2').style.display='block';
}

function videopop(){
		document.getElementById('video').style.display='block';
}
function videopop_close(){
		document.getElementById('video').style.display='none';
}
function videopop2(){
		document.getElementById('video2').style.display='block';
}
function videopop_close2(){
		document.getElementById('video2').style.display='none';
}
function videopop3(){
		document.getElementById('video3').style.display='block';
}
function videopop_close3(){
		document.getElementById('video3').style.display='none';
}
function videopop4(){
		document.getElementById('video4').style.display='block';
}
function videopop_close4(){
		document.getElementById('video4').style.display='none';
}
function videopop5(){
		document.getElementById('video5').style.display='block';
}
function videopop_close5(){
		document.getElementById('video5').style.display='none';
}
function videopop6(){
		document.getElementById('video6').style.display='block';
}
function videopop_close6(){
		document.getElementById('video6').style.display='none';
}
function videopop7(){
		document.getElementById('video7').style.display='block';
}
function videopop_close7(){
		document.getElementById('video7').style.display='none';
}


function animationend(){
		document.getElementById('lastframe').style.display='none';
		document.getElementById('lastframee').style.display='block';
}