function testshowhide(){
  document.write('testinshowhide');
}
function hideallbut(id){
		
		numlayers=12;
		des = new Array(numlayers);
		des[0]="multi";
		des[1]="xmas";
		des[2]="entrance";
		des[3]="salamander";
		des[4]="mode";
		des[5]="hexa";
		des[6]="meca";
		des[7]="seed";
		des[8]="come";
		des[9]="creation";
		des[10]="present";
		des[11]="cv";
		
		for(i=0;i<numlayers;i++){
			if(des[i]!=id){
				document.getElementById(des[i]).style.display = "none";
			}
		}
		document.getElementById(id).style.display = "block";

	
}
function shownhide(id,id2){
  document.getElementById(id).style.display="block";
  document.getElementById(id2).style.display="none";
}
function showhidelayer(id)
{
	s = document.getElementById(id).style;
	s.display = (s.display == "block" ? "none" : "block");
}