function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

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;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
   }
   
function newwindow(url)
	{
		 open_window = window.open(url, 'mywindow','width=830,height=660,resizable=yes');
	}
///////////////////////////////////////////////////////////
//for building add form	

function checkempty(form)
	{
		if(form.building_name.value=="")
		{
			alert("Building name is required.");
			form.building_name.focus();
			return false;
		}
		if(form.architect_key.value=="" && form.new_architect_key.value == "")
		{
			alert("Architect key name is required.");
			form.architect_key.focus();
			return false;
		}
		
		if(form.built_year1.value=="")
		{
			alert("Year built is required.");
			form.built_year1.focus();
			return false;
		}
		
		
		if(form.school.value=="" && form.new_school.value == "")
		{
			alert("School or Function is required.");
			form.school.focus();
			return false;
		}
		
	return true;
	}
//////////////////////////////////////////////////
//for faculty add form
function checkField(form)
{
	if(form.lname.value == "")
	{
		alert("Last name is required");
		form.lname.focus();
		return false;
	}
	
	if(form.fname.value == "")
	{
		alert("First name is required");
		form.fname.focus();
		return false;
	}

	if(form.title.value == "" && form.new_faculty_title.value == "")
	{
		alert("Faculty title is required");
		form.title.focus();
		return false;
	}
	
	if(form.school.value == "" && form.new_school.value == "")
	{
		alert("School is required");
		form.school.focus();
		return false;
	}

	return true;
}
//////////////////////////////////////////////////
//for olympian add form
function check_athlete(form)
{
	if(form.athlete_name.value == "" && form.new_lname.value == "" && form.new_fname.value == "")
	{
		alert("Athlete name is required");
		form.athlete_name.focus();
		return false;
	}
	
	if(form.game.value == "")
	{
		alert("Game is required");
		form.game.focus();
		return false;
	}
	
	if(form.olympic_year.value == "")
	{
		alert("Year is required");
		form.olympic_year.focus();
		return false;
	}
	return true;
}
////////////////////////////////////////////////

//for timeline add form
function check_time(form)
{
	if(form.new_category.value == "" && form.old_cat.value == "")
	{
		alert("Category is required");
		form.old_cat.focus();
		return false;
	}
	
	if(form.theyear.value == "")
	{
		alert("Year is required");
		form.theyear.focus();
		return false;
	}
	
	return true;
}
////////////////////////////////////////////////

//for images add form
function check_images(form)
{
	if(form.image_name2.value == "")
	{
		alert("You need to input at least one image name in the textbox.");
		form.image_name2.focus();
		return false;
	}
	return true;
}