function showhide(id){
		if(document.getElementById(id).style.display == 'none'){
  			document.getElementById(id).style.display = 'block';
 		}else{
  			document.getElementById(id).style.display = 'none';
 		}
	}

	function show(id){
		document.getElementById(id).style.display = 'block';
	}
	function hide(id){
		document.getElementById(id).style.display = 'none';
	}

	function popUp(URL) {
		day = new Date();
		id = day.getTime();
		
		eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=1,width=500,height=350,left = 376,top = 132');");
	}

	function disableButton (button) {
	  if (document.all || document.getElementById)
	    button.disabled = true;
	  else if (button) {
	    button.oldOnClick = button.onclick;
	    button.onclick = null;
	    button.oldValue = button.value;
	    button.value = 'DISABLED';
	  }
	}