var forward = 'index.html';
		
		function back(role)
		{
			/*
			login.txtUsername.value=""; 
			login.txtPassword.value=""; 
			document.login.btnsubmit.disabled =false;
			document.getElementById("ld_create").style.display="none";
			*/
			
			if(role == 1)
			{
				forward = 'welcome_portaladmin.jsp';
			}
			
			else if(role == 2)
			{
				forward = 'welcome_employee.jsp';
			}
			
			else if(role == 3)
			{
				forward = 'welcome_customer.jsp';
			}
						
			window.location.href = forward;
			
		}
		
		function back_to_page(target_url)
		{
			window.location.href = target_url;
		}
		
		function goback()
		{
			history.go(-1);
		}