function zoomPic(dir, pic) {
	zoomed = window.open("zoompic.php?d="+dir+"&f="+pic ,"zoomed", "width=450,height=480,resizable=no,scrollbars=no,status=no,location=no,menubar=no,toolbar=no,");
	if (window.zoomed) {
		window.zoomed.focus();
	}
}
function popupElement(element_id, w, h) {
	zoomed = window.open("popupElement.php?"+element_id ,"popupElement", "width="+w+",height="+h+",resizable=no,scrollbars=no,status=no,location=no,menubar=no,toolbar=no,");
	if (window.popupElement) {
		window.popupElement.focus();
	}
}
function setRowBgColor(sRow, newColor) {
	sCells = sRow.cells;
	for(i=0; i<sCells.length; i++) {
		sCells[i].style.backgroundColor = newColor;
	}
}

preloaded_images = new Array();
function preloadImg() {
	var image_list = preloadImg.arguments;
	for(var i=0; i < image_list.length; i++) {
		preloaded_images[i] = new Image;
		preloaded_images[i].src = image_list[i];
	}
}

function detectBrowser() {
	// for more detailed browser detection see:
	// http://www.lipfert-malik.de/webdesign/tutorial/bsp/browser_js_test.html
	
	var browser = '';
	
	if(document.ids) browser = 'nn4';
	else if(!document.getElementById) browser = 'ie4';
	else if(document.clientWidth) browser = 'konq';
	else if(window.pkcs11) browser = 'mozilla';
	else if (document.uniqueID) browser = 'ie';
	else browser = 'op';
	
	return browser;
	
}

function toggleVis(elem_id) {
	
	var a = document.getElementById(elem_id);
	var vis = false;
	
	if(a.style.visibility=="hidden") {
		vis = true;
	} else {
		vis = false;
	}
	
	if(vis) {
		a.style.visibility = "";
		a.style.display = "";
	} else {
		a.style.visibility = "hidden";
		a.style.display = "none";
	}
	
}