// JavaScript Document
	function clear_textbox()
	{
		if (document.getElementById('txtCategory').value == "Find Top 10...")
			document.getElementById('txtCategory').value = "";
	}


	/*function populate_textbox()
	{
		if (document.getElementById('txtCategory').value == "" || document.getElementById('txtCategory').value == " " )
			document.getElementById('txtCategory').value = "Find Top 10...";
	}*/



/* === Visibility Switch  ======================================  */

        var ids=new Array('dayMonthYear','monthYear');
       
        function switchid(id){   
            hideallids();
            showdiv(id);
        }
       
        function hideallids(){
            //loop through the array and hide each element by id
            for (var i=0;i<ids.length;i++){
                hidediv(ids[i]);
            }         
        }
       
        function hidediv(id) {
            //safe function to hide an element with a specified id
            if (document.getElementById) { // DOM3 = IE5, NS6
                document.getElementById(id).style.display = 'none';
            }
            else {
                if (document.layers) { // Netscape 4
                    document.id.display = 'none';
                }
                else { // IE 4
                    document.all.id.style.display = 'none';
                }
            }
        }
       
        function showdiv(id) {
            //safe function to show an element with a specified id
                 
            if (document.getElementById) { // DOM3 = IE5, NS6
                document.getElementById(id).style.display = 'block';
            }
            else {
                if (document.layers) { // Netscape 4
                    document.id.display = 'block';
                }
                else { // IE 4
                    document.all.id.style.display = 'block';
                }
            }
        }         
		
		
/* === Visibility Toggler  ======================================  */

		function toggle_visibility(id) {
		var e = document.getElementById(id);
		if(e.style.display == 'none')
		e.style.display = 'block';
		else
		e.style.display = 'none';
		}
		function toggle_visibility2(id) {
		var e = document.getElementById(id);
		if(e.style.display == 'none')
		e.style.display = 'block';
		else
		e.style.display = 'none';
		}


		function visibilityFx() {
			new Fx.Style('adContainer','height').start(0,100);
		}