function SwitchMenu(obj)
		{
			if(document.getElementById)
			{
			   
			    var first=obj.indexOf("_");
				var last=obj.lastIndexOf("_");
				var first_number= parseInt(obj.substring(first+1,last));
				var last_number= parseInt(obj.substring(last+1,obj.length));
				
				var ar = document.getElementById("cont").getElementsByTagName("p");
				
				for (var i=0; i<ar.length; i++)
				{
					ar[i].style.display = "none";
				}
				
				for (var i=0; i<last_number; i++)
				{
					var obj_id=obj.substr(0,3)+first_number+(i+1);
					var el = document.getElementById(obj_id);
					el.style.display = "block";
				}
			}
		}
		
function SwitchMenu1(obj)
		{
			if(document.getElementById)
			{
			   
			    var first=obj.indexOf("_");
				var last=obj.lastIndexOf("_");
				var first_number= parseInt(obj.substring(first+1,last));
				var last_number= parseInt(obj.substring(last+1,obj.length));
				
				var ar = document.getElementById("cont").getElementsByTagName("p");
				
				for (var i=0; i<ar.length; i++)
				{
					ar[i].style.display = "block";
				}
				
				for (var i=0; i<last_number; i++)
				{
					var obj_id=obj.substr(0,3)+first_number+(i+1);
					var el = document.getElementById(obj_id);
					el.style.display = "block";
				}
			}
		}
		
function SwitchMenu_close()
		{
			if(document.getElementById)
			{

				var ar = document.getElementById("cont").getElementsByTagName("p");
				for (var i=0; i<ar.length; i++)
				{
					ar[i].style.display = "none";
				}
				
			}
		}