function openAWindow( pageToLoad, winName, width, height, center) {
  xposition=0; yposition=0;
  if ((parseInt(navigator.appVersion) >= 4 ) &&(center)) {
   xposition = (screen.width - width) / 2;
   yposition = (screen.height - height) / 2;
  }
  args = "width=" + width + ","
  + "height=" + height + ","
  + "location=0,"
  + "menubar=0,"
  + "resizable=0,"
  + "scrollbars=0,"
  + "status=0,"
  + "titlebar=0,"
  + "toolbar=0,"
  + "hotkeys=0,"
  + "screenx=" + xposition + "," //NN Only
  + "screeny=" + yposition + "," //NN Only
  + "left=" + xposition + "," //IE Only
  + "top=" + yposition; //IE Only
  window.open( pageToLoad, winName, args );
}


function checkphone(num) {
	var returnval = true;
	if (num.length<10) {
		returnval = false;
	}
	return returnval;
}

function tryemail() {
	var returnval = true;
	var f = document.main;
	if (f.email.value.indexOf('@') == -1) {
		alert("Please enter your e-mail address!");
		f.email.focus();
		returnval = false;
	}

	return returnval;
}

function trydata() {
	var returnval = true;
	var f = document.main;

	if (f.email.value.indexOf('@') == -1) {
		alert("Please enter your e-mail address!");
		f.email.focus();
		returnval = false;
	} else if (!checkphone(f.phone.value)) {
		alert("Your phone number should be 10 digits long!");
		f.phone.focus();
		returnval = false;
	}

	if (returnval == true) {
		if (confirm('Your request will be sent now.')) {
			document.main.formchk.value = 'form_can_be_sent_now_no_spam_thanks';
		} else {
			returnval = false;
		}
	}

	return returnval;
}

function underconstruction() {
	openAWindow("underconstruction.php", "underconstruction", 385, 320, 1);
}


var array_menu = new Array('mainmenu','about','about_','join','join_','ministries', 'pastor', 'worship', 'calendar', 'contact', 'give');

function show(str) {
								
		for (key in array_menu)
		{
				if(document.layers){
					document.layers(array_menu[key]).visibility='hidden';
					document.layers(array_menu[key]).position='absolute';
				}
				if(document.all){
					document.all(array_menu[key]).style.visibility='hidden';
					document.all(array_menu[key]).style.position='absolute';
				}
				if(!document.all && document.getElementById){
					document.getElementById(array_menu[key]).style.visibility="hidden";
					document.getElementById(array_menu[key]).style.position='absolute';
				}
		}

		if(document.layers){
			document.layers(str).visibility='visible';
			document.layers(str).position='static';
			document.layers(str+'_img').src='images/m_'+str+'_a.gif';	
		}
		if(document.all){
			document.all(str).style.visibility='visible';
			document.all(str).style.position='static';
			document.all(str+'_img').src='images/m_'+str+'_a.gif';		
		}
		if(!document.all && document.getElementById){
			document.getElementById(str).style.visibility="visible";
			document.getElementById(str).style.position='static';
			eval("document." + str+"_img" +".src='images/m_"+str+"_a.gif'");
			//document.getElementById(str+'_img').src='images/m_'+str+'_a.gif';
		}

		if ((str=='about') || (str=='join'))
		{
				if(document.layers){
					document.layers(str+"_").visibility='visible';
					document.layers(str+"_").position='static';
				}
				if(document.all){
					document.all(str+"_").style.visibility='visible';
					document.all(str+"_").style.position='static';
				}
				if(!document.all && document.getElementById){
					document.getElementById(str+"_").style.visibility="visible";
					document.getElementById(str+"_").style.position='static';
				}
		}
}

function no_show() {
		for (key in array_menu)
		{
				if(document.layers){
					if (array_menu[key]!='mainmenu') { 
					document.layers(array_menu[key]).style.visibility='hidden'; 
					document.layers(array_menu[key]).position='absolute';
							if  ((array_menu[key]!='about_') && (array_menu[key]!='join_')) 
							{ 					
									document.layers(array_menu[key]+'_img').src='images/m_'+array_menu[key]+'.gif';
							}
					}
				}
				if(document.all){
					if (array_menu[key]!='mainmenu') { 
					document.all(array_menu[key]).style.visibility='hidden'; 
					document.all(array_menu[key]).style.position='absolute';
							if  ((array_menu[key]!='about_') && (array_menu[key]!='join_')) 
							{ 									
									document.all(array_menu[key]+'_img').src='images/m_'+array_menu[key]+'.gif';
							}
					}
				}
				if(!document.all && document.getElementById){
					if (array_menu[key]!='mainmenu') { 
						document.getElementById(array_menu[key]).style.visibility='hidden'; 
						document.getElementById(array_menu[key]).style.position='absolute';
							if  ((array_menu[key]!='about_') && (array_menu[key]!='join_')) 
							{ 									
									//document.getElementById(array_menu[key]+'_img').src='images/m_'+array_menu[key]+'.gif';
									eval("document." + array_menu[key]+"_img" +".src='images/m_"+array_menu[key]+".gif'");
							}
					}
				}
		}
		
		if(document.layers){
			document.layers('mainmenu').visibility='visible';
			document.layers('mainmenu').position='static';
		}
		if(document.all){
			document.all('mainmenu').style.visibility='visible';
			document.all('mainmenu').style.position='static';
		}
		if(!document.all && document.getElementById){
			document.getElementById('mainmenu').style.visibility="visible";
			document.getElementById('mainmenu').style.position='static';
		}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}