function openWindow(newURL) {
window.open(newURL,"newWin","HEIGHT=400, WIDTH=600");
}

function setuphelp()
{
window.open('/win_setuphelp.php','open_window','scrollbars,resizable,width=435,height=420,screenX=0,screenY=0')
}

var osrc = new Array(20);
osrc[0] = '';
var olyr = new Array(20);
olyr[0] = '';
var oname = new Array(20);
oname[0] = '';
var ocur = 0;

var DOMLevel = checkDomLevel();
var fullpage_layer_name = "FullPage";
var header_layer_name = "Header";
var menu_layer_name = "Menu";
var pagecontent_layer_name = "PageContent";
var footer_layer_name = "Footer";


function checkDomLevel()
{
	if (document.layers) {
		// Netscape 4.x Level
		return "NN4";
	} else if (document.all && !document.getElementById) {
		// IE3/4 level
		return "IE4";
	} else if (document.getElementById) {
		// New DOM browsers level
		return "NEW";
	} else {
		return null;
	}

}


function getLayer(nameoflayer)
{
	// Finds location of layer, depending on which DOM level the page is using
	// For level 'NN4' searches for layer in sub-layers 2-deep in two main layer areas (Menu/PageBody)
	var layer2return;

	if (DOMLevel == "NN4") {
		// Check if "FullPage" root layer is in layers array
		if (document.layers[fullpage_layer_name]) {
			// Check 'Menu' layer sub-layers
			layer2return = searchLayerSubs(menu_layer_name, nameoflayer);
			if (!layer2return) {
				// Check 'PageContent' layer sub-layers
				layer2return = searchLayerSubs(pagecontent_layer_name, nameoflayer);
			}
			if (!layer2return) {
				// Check 'Header' layer sub-layers
				layer2return = searchLayerSubs(header_layer_name, nameoflayer);
			}
			if (!layer2return) {
				// Check 'Footer' layer sub-layers
				layer2return = searchLayerSubs(footer_layer_name, nameoflayer);
			}
		} else if (document[nameoflayer]) {
			layer2return = document[nameoflayer];
		}

	} else if (DOMLevel == "IE4") {
		if (document.all[nameoflayer]) {
			layer2return = document.all[nameoflayer];
		}

	} else {
		if (document.getElementById(nameoflayer)) {
			layer2return = document.getElementById(nameoflayer);
		} else {
			for (i=0; i<parent.frames.length; i++) {
				if (parent.frames[i].document.getElementById(nameoflayer)) {
					layer2return = parent.frames[i].document.getElementById(nameoflayer);
					//alert("Found layer '" + layer2return.id + "' in frame '" + parent.frames[i].name + "'");
					break;
				}
			}
		}
	}
	
	return layer2return;
}

function searchLayerSubs(layer2search, nameoflayer)
{
	var layer2return;

	if (DOMLevel == "NN4") {
		if (document.layers[fullpage_layer_name].document[layer2search]) {
			// Check if layer itself matches
			if (document.layers[fullpage_layer_name].document[layer2search].name == nameoflayer) {
				layer2return = document.layers[fullpage_layer_name].document[layer2search];
			} else {
				// Search through sub-layers of layer
				for (i=0; i<document.layers[fullpage_layer_name].document[layer2search].document.layers.length; i++) {
					// Check if layer matches
					temp_layer = document.layers[fullpage_layer_name].document[layer2search].document.layers[i];
					if (temp_layer.name == nameoflayer) {
						layer2return = temp_layer;
						break;
					} else {	// Search sub-layers
						for (j=0; j<temp_layer.document.layers.length; j++) {
							if (temp_layer.document.layers[j].name == nameoflayer) {
								layer2return = temp_layer.document.layers[j];
								break;
							} else {
								temp_layer2 = temp_layer.document.layers[j];
								if (temp_layer2.name == nameoflayer) {
									layer2return = temp_layer2;
									break;
								} else {	// Search sub-layers
									for (k=0; k<temp_layer2.document.layers.length; k++) {
										if (temp_layer2.document.layers[k].name == nameoflayer) {
											layer2return = temp_layer2.document.layers[k];
											break;
										}
									}
								}
							}
						}	// End for
					}
				}	// End for
			}
		}
	} else if (DOMLevel == "IE4") {
		if (document.all[nameoflayer]) {
			layer2return = document.all[nameoflayer];
		}

	} else {
		if (document.getElementById(nameoflayer)) {
			layer2return = document.getElementById(nameoflayer);
		} else {	// Check 'parent' (if in frame)
			for (i=0; i<parent.frames.length; i++) {
				if (parent.frames[i].document.getElementById(nameoflayer)) {
					layer2return = parent.frames[i].document.getElementById(nameoflayer);
					break;
				}
			}
		}
	}
	
	return layer2return;
}


function getImage(nameofimage, nameoflayer)
{
	var image2return;
	var containerlayer = getLayer(nameoflayer);

	if (DOMLevel == "NN4") {
		if (containerlayer) {

//			if (containerlayer.document.layers.length == 1) {
//				image2return = containerlayer.document.layers[0].document.images[0];
//			} else {
				image2return = containerlayer.document[nameofimage];
//			}
		}
	
	} else if (DOMLevel == "IE4") {
		if (document.all[nameofimage]) {
			image2return = document.all[nameofimage];
		} else {
			image2return = document[nameofimage];
		}

	} else {
		if (document[nameofimage]) {
			image2return = document[nameofimage];
		} else {	// Check 'parent' (if in frame)
			for (i=0; i<parent.frames.length; i++) {
				if (parent.frames[i].document[nameofimage]) {
					image2return = parent.frames[i].document[nameofimage];
					break;
				}
			}
		}
	}
	
	return image2return;
}


function showLayer(sllayername) {
	var thislayer = getLayer(sllayername);

	if (thislayer) {
		if (DOMLevel == "NN4") {
			thislayer.visibility = 'show';
		} else {
			thislayer.style.visibility = 'visible';
		}
	}
}

function hideLayer(hllayername) {
	var thislayer = getLayer(hllayername);

	if (thislayer) {
		if (DOMLevel == "NN4") {
			thislayer.visibility = 'hide';
		} else {
			thislayer.style.visibility = 'hidden';
		}
	}
}

function swapImage(imagname, imagefile, silayername) {
	var thisimage = getImage(imagname, silayername);

	if (thisimage) {
		osrc[ocur] = thisimage.src;
		thisimage.src = imagefile;

		olyr[ocur] = silayername;
		oname[ocur] = imagname;
		ocur++;
	}
}

function restoreImages() {
	if (osrc[0] != '') {
		for (var i = 0; i < ocur; i++) {
			imgname = oname[i];
			lyrname = olyr[i];

			var thisimage = getImage(imgname, lyrname);

			if (thisimage) {
				thisimage.src = osrc[i];
			}

			oname[i] = '';
			osrc[i] = '';
			olyr[i] = '';
		}
	}
	ocur = 0;
}


function getSelectedRadio(buttonGroup)
{
	for (var i = 0; i < buttonGroup.length; i++ ) {
	    if (buttonGroup[i].checked) {
			return i;
		}
    }
	return -1;
}

function popup(newURL) {
	window.open(newURL,"newWin","scrollbars, HEIGHT=435, WIDTH=420");
}



function openPopup(varURL, varWindowTitle, varParams) {
// Desc: Generic function to launch a page in a popup window
// Params:	varURL: URL of page to appear in popup - including QueryString values if appl.
//			varWindowTitle: Title of popup window
//			varParams:	Various window parameters to define look of window
// Usage: javascript:openPopup('page.php', 'PopupPage', 'height=410,width=610,resizable=1,status=0,scrollbars=no,titlebar=0,screenX=50,screenY=100');
			
	var newwindow=window.open(varURL,varWindowTitle,varParams);
	newwindow.focus();
	return newwindow;
}

function redirectOpener(varURL, varCloseWindow, varOpenBlank) {
// Desc: Generic function to redirect to a URL in  the 'opener' when in a popup window
//			Can optionally close the popup as well
// Params:	varURL: URL of page to redirect to
//			varCloseWindow:	Value specifying whether to close the popup
// Usage: javascript:redirectOpener('page.php', '');

	if (varOpenBlank == "openblank")
	{
		var newwindow=window.open(varURL,"","");
		newwindow.focus();
	} else {
		opener.location.href = varURL;
		opener.focus();
	}
	if (varCloseWindow != "dontclose") {
		window.close();
	}
}