var ASSET_PATH_HEADER = "/portal/cms/ztel/assets/images/glnav/";
var ZTEL_PATH = "/portal/ztel/"

function gn_rollover_preload(){
	//preloads middle images for the navigation
	if (document.images){
		var argLength = gn_rollover_preload.arguments.length;

		for (arg=0; arg < argLength; arg++){
			eval(arguments[arg] + " = new Image()");
			eval(arguments[arg] + "_on = new Image()");
		
			eval(arguments[arg] + ".src = '" + ASSET_PATH_HEADER + arguments[arg] + ".gif'");
			eval(arguments[arg] + "_on.src = '" + ASSET_PATH_HEADER + arguments[arg] + "_on.gif'");
		}		
	}
}

function rollover(imageName){
	if (document.images){
		eval("document." + imageName + ".src=" + imageName + "_on.src");
	}
}

function restore(imageName){
	if (document.images){
		eval("document." + imageName + ".src=" + imageName + ".src");
	}
}


/*	function: newOpener - loads URL on the parent window
			newURL: 
*/
function newOpener(newURL)
{
	opener.document.location = newURL;
}


/*	function: newWin - opens a new window
			newWin 		takes on 7 values:
			WinURL: 	the URL to be loaded into the new window
			WinNAME:	the NAME of the popup window
			WinWIDTH: 	the WIDTH of the popup window (currently set at 700px)
			WinHEIGHT:	the HEIGHT of the popup window (currently set at 480px)
			WinRESIZE:	the "yes" or "no" value for the resize window property
			WinSCROLL:	the "yes" or "no" value for the scrollbars window property
			WinTOOLBAR: the "yes" or "no" value for the toolbar property
*/

function newWin(WinURL, WinNAME, WinWIDTH, WinHEIGHT, WinRESIZE, WinSCROLL, WinTOOLBAR)
{	
	/*	variables passed by the link calling the function	*/
	var URL = WinURL;
	var WINDOW_NAME = WinNAME;
	var POPUP_WIDTH = WinWIDTH;
	var POPUP_HEIGHT = WinHEIGHT;
	var POPUP_RESIZE = WinRESIZE;
	var POPUP_SCROLL = WinSCROLL;
	var POPUP_TOOLBAR = WinTOOLBAR;

	/*	window properties that determine the window attributes depending on what values are passed by the link calling the function	*/
	var window_toolbar = POPUP_TOOLBAR;
	var window_resize = POPUP_RESIZE;
	var window_scroll = POPUP_SCROLL;
	var window_width = POPUP_WIDTH;
	var window_height = POPUP_HEIGHT;
	var screen_balance_w = ((screen.width)-(window_width))/2;
	var screen_balance_h = ((screen.height)-(window_height))/2;
	var set_top = screen_balance_h;
	var set_left = screen_balance_w;	

	win = window.open(URL,WINDOW_NAME,'resizable=' + window_resize + ',toolbar=' + window_toolbar + ',scrollbars=' + window_scroll + ',width=' + window_width + ',height=' + window_height + ',top=' +  set_top + ',left=' + set_left + '');
	win.focus();
}

function newWinAddress(WinURL, WinNAME, WinWIDTH, WinHEIGHT, WinRESIZE, WinSCROLL, WinTOOLBAR)
{	
	/*	variables passed by the link calling the function	*/
	var URL = WinURL;
	var WINDOW_NAME = WinNAME;
	var POPUP_WIDTH = WinWIDTH;
	var POPUP_HEIGHT = WinHEIGHT;
	var POPUP_RESIZE = WinRESIZE;
	var POPUP_SCROLL = WinSCROLL;
	var POPUP_TOOLBAR = WinTOOLBAR;

	/*	window properties that determine the window attributes depending on what values are passed by the link calling the function	*/
	var window_toolbar = POPUP_TOOLBAR;
	var window_resize = POPUP_RESIZE;
	var window_scroll = POPUP_SCROLL;
	var window_width = POPUP_WIDTH;
	var window_height = POPUP_HEIGHT;
	var screen_balance_w = ((screen.width)-(window_width))/2;
	var screen_balance_h = ((screen.height)-(window_height))/2;
	var set_top = screen_balance_h;
	var set_left = screen_balance_w;	

	win = window.open(URL,WINDOW_NAME,'resizable=' + window_resize + ',toolbar=' + window_toolbar + ',scrollbars=' + window_scroll + ',width=' + window_width + ',height=' + window_height + ',top=' +  set_top + ',left=' + set_left + ',location=yes');
	win.focus();
}


/*	function: closeWin - closes the child window	*/

function closeWin()
{
	top.window.close();
}


/*	
THIS JAVASCRIPT ALLOWS FOR AUTOMATIC FIELD TABBING FOR PHONE NUMBERS AND STUFF 
*/
var downStrokeField;
function autojump(fieldName,nextFieldName,fakeMaxLength)
{
var myForm=document.forms[document.forms.length - 1];
var myField=myForm.elements[fieldName];myField.nextField=myForm.elements[nextFieldName];

if (myField.maxLength == null)myField.maxLength=fakeMaxLength;myField.onkeydown=autojump_keyDown;myField.onkeyup=autojump_keyUp;
}

function autojump_keyDown()
{
this.beforeLength=this.value.length;
downStrokeField=this;
}

function autojump_keyUp()
{
if (
   (this == downStrokeField) && 
   (this.value.length > this.beforeLength) && 
   (this.value.length >= this.maxLength)
   )
   this.nextField.focus();
downStrokeField=null;
}

//-->
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