function hide_pop_up(){
document.getElementById('pop_up_2').style.display='none';
document.getElementById('pop_up_1').style.display='none';
}

function show_pop_up(){
document.getElementById('pop_up_2').style.display='block';
document.getElementById('pop_up_1').style.display='block';
}

function hide_pop_up_psm(){
document.getElementById('pop_up_psm_2').style.display='none';
document.getElementById('pop_up_psm_1').style.display='none';
}

function show_pop_up_psm(){
document.getElementById('pop_up_psm_2').style.display='block';
document.getElementById('pop_up_psm_1').style.display='block';
}

function hide_pop_up_prevention(var_prevention){
document.getElementById('pop_up_prevention_'+var_prevention+'_2').style.display='none';
document.getElementById('pop_up_prevention_'+var_prevention+'_1').style.display='none';
}

function show_pop_up_prevention(var_prevention){
document.getElementById('pop_up_prevention_'+var_prevention+'_2').style.display='block';
document.getElementById('pop_up_prevention_'+var_prevention+'_1').style.display='block';
}