//menu
function openmenu(id) {
	for(i=1; i<=7; i++) {
		document.getElementById('m'+i).style.display = 'none';
	}
	var obj = document.getElementById(id);
	if(obj) {
		obj.style.display = 'block';
	}
}
function closemenu() {
	for(i=1; i<=7; i++) {
		document.getElementById('m'+i).style.display = 'none';
	}
}
function overthis(obj) {
	obj.style.background = '#E8FAA5'; //'#D2EE66';
}
function outthis(obj) {
	obj.style.background = 'transparent';
}
function swapmenu(obj) {
	if(obj.src.indexOf('_0') > 0) {
		obj.src = obj.src.replace('_0','_1');
	}
	else {
		obj.src = obj.src.replace('_1','_0');
	}
}

function bigc_check_email(str) {
	var emailRE = /^([a-zA-Z0-9_.-])+@(([a-zA-Z0-9-])+.)+([a-zA-Z0-9]{2,4})+$/;
	if (!emailRE.test(str)){
		return false;
	}
	else
		return true;
}

//hide all s[x] then display only s[y]

function bigc_bookmark() {
	if (document.all)  window.external.AddFavorite(location.href, document.title);  
	else if (window.sidebar) window.sidebar.addPanel(document.title, location.href, "");
}
function bigc_print(){  
	if (window.print) window.print();
	else {
		var WebBrowser = '<OBJECT ID="WebBrowser1" WIDTH=0 HEIGHT=0 CLASSID="CLSID:8856F961-340A-11D0-A96B-00C04FD705A2"></OBJECT>';
		document.body.insertAdjacentHTML('beforeEnd', WebBrowser);
		WebBrowser1.ExecWB(6, 2);//Use a 1 vs. a 2 for a prompting dialog box    WebBrowser1.outerHTML = "";  
	}
}

function bigc_img(obj,src) {
	obj.src = src;
}

function img_background(obj, val) {
	if(val) {
		obj.style.background = "url('/bigc/file/menu/bg1.gif')";
	}
	else {
		obj.style.background = "url('/bigc/file/menu/bg0.gif')";
	}
}

function img_opacity(obj,opacity) {
	if (navigator.appName.indexOf("Netscape")!=-1&&parseInt(navigator.appVersion)>=5)
		obj.style.MozOpacity=opacity/100;
	else if (navigator.appName.indexOf("Microsoft")!= -1 &&parseInt(navigator.appVersion)>=4)
		obj.filters.alpha.opacity=opacity
	return obj;
}

function img_swap(obj, active) {
	if(active) {

	}
	else {
		var now = obj.src.substr(obj.src.length-5,1);
		var src = obj.src.substr(0,obj.src.length-5);
		
		if(now == 1) {
			obj.src = src+"0.gif";
		}
		else {
			obj.src = src+"1.gif";
		}
	}
	return obj;
}

function div_display(id) {
	i = 0;
	while(document.getElementById('s'+i)) {
		document.getElementById('s'+i).style.display = 'none';
		i++;
	}
	try {
		document.getElementById(id).style.display = 'block';
	}
	catch (err) {}
}