var sub_list=new Array("product","service","news","about","inquiry");
var the_sub;
function show_sub1(the_id){
	for(var i=0;i<sub_list.length;i++){
		the_sub=document.getElementById("sub_"+sub_list[i]);
		if(sub_list[i]==the_id){if(document.all){the_sub.filters[0].Apply();the_sub.filters[0].Play(duration=0.5);}the_sub.style.display='block';}else{the_sub.style.display='none';}
	}	
}
function show_sub2(the_id){
	for(var i=0;i<sub_list.length;i++){the_sub=document.getElementById("sub_"+sub_list[i]);if(sub_list[i]==the_id){the_sub.style.display='block';}else{the_sub.style.display='none';}
	}	
}
function hide_sub(the_id){document.getElementById("sub_"+the_id).style.display="none";}