/*
 * These files are here for all navigation items. 
 * 
 * This can also include some form work.
 *
*/
	var isNN = (navigator.appName.indexOf("Netscape")!=-1);
	
	function autoTab(input,len, e) {
	  var keyCode = (isNN) ? e.which : e.keyCode; 
	  var filter = (isNN) ? [0,8,9] : [0,8,9,16,17,18,37,38,39,40,46];
	  if(input.value.length >= len && !containsElement(filter,keyCode)) {
	    input.value = input.value.slice(0, len);
	    input.form[(getIndex(input)+1) % input.form.length].focus();
	  }
    }

/*
 *	I don't think these functions are being used any more. 
 * 
 *
 */
 /*
	function containsElement(arr, ele) {
	    var found = false, index = 0;
	    while(!found && index < arr.length)
	    if(arr[index] == ele)
	    found = true;
	    else
	    index++;
	    return found;
	 }
	
	  function getIndex(input) {
	    var index = -1, i = 0, found = false;
	    while (i < input.form.length && index == -1) 
	    if (input.form[i] == input)index = i;
	    else i++;
	    return index;
	 }
	 return true;
	}
*/
	function ReverseDisplay(d) {
		if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = "block"; }
		else { document.getElementById(d).style.display = "none"; }
	}
	function CloseDisplay(d) {
		document.getElementById(d).style.display = "none";
	}
	function CheckDisplay(d) {
		if(document.getElementById(d).style.display == "none") { document.getElementById(d).style.display = "block"; }
	}
	function InitiateDisplay(num) {
		if (num == 1) {
			ReverseDisplay('broker_id');
			ReverseDisplay('broker_image');
			ReverseDisplay('broker_image_down');
		}
		else {
			CloseDisplay('broker_id');
			CloseDisplay('broker_image_down');
			CheckDisplay('broker_image');		
		}
		if (num == 2) {
			ReverseDisplay('employer_id');
			ReverseDisplay('employer_image');
			ReverseDisplay('employer_image_down');
		}
		else {
			CloseDisplay('employer_id');
			CloseDisplay('employer_image_down');
			CheckDisplay('employer_image');		
		}
		if (num == 3) {
			ReverseDisplay('provider_id');
			ReverseDisplay('provider_image');
			ReverseDisplay('provider_image_down');
		}
		else {
			CloseDisplay('provider_id');
			CloseDisplay('provider_image_down');
			CheckDisplay('provider_image');		
		}
		if (num == 4) {
			ReverseDisplay('member_id');
			ReverseDisplay('member_image');
			ReverseDisplay('member_image_down');
		}
		else {
			CloseDisplay('member_id');
			CloseDisplay('member_image_down');
			CheckDisplay('member_image');		
		}
		if (num == 5) {
			ReverseDisplay('findadentist_id');
			//ReverseDisplay('findadentist_image');
		}
		else {
			CloseDisplay('findadentist_id');
			//CheckDisplay('findadentist_image');		
		}
	}