function change_view(obj_name)
{
	
	var aa=document.getElementById(obj_name);
	if(aa.style.display=="")
	{
		var num = aa.id.slice(1)
		aa.style.display="none";
		
		document.getElementById("t"+num).src="hardware/images/list_open.jpg"
	}
	else
	{
		var num = aa.id.slice(1)
		aa.style.display="";
		document.getElementById("t"+num).src="hardware/images/list_close.jpg"
		for(var i=1;i<10;i++)
		{
			if(num !=i)
			{
				document.getElementById("a"+i).style.display="none";
				document.getElementById("t"+i).src="hardware/images/list_open.jpg"
			}
		}
		
	}
}