function hideDivArea(str_area_hide){
tag = document.getElementsByTagName("div");
for(x=0;x<tag.length; x++)
{
if(tag[x].getAttribute('id').indexOf(str_area_hide) != -1)
{
tag[x].style.display = "none";
}
}
}
function showDivArea(areas_show, areas_hide){

for (var i = 0; i < areas_show.length; i++)
{
ge = document.getElementById(areas_show[i]);
ge.style.display = "block";
}
for (var i = 0; i < areas_hide.length; i++)
{
hideDivArea(areas_hide[i]);
}
}