img1 = "/images/browse_bg.gif";
img2 = "/images/browse_bg_down.gif";
function chng(c_img) {
if (document[c_img].src.indexOf(img1)!= -1) document[c_img].src = img2;
else document[c_img].src = img1;
}

//validates for zip, degree, and career variables
function ValidateCareerTrackFocus()
{
	var campus_check = document.form1.school_type;
	var checked = false;
	for(i=0; i<campus_check.length; i++){
		if(campus_check[i].checked)
			checked=true;
	}
	if( document.form1.career.selectedIndex == 0 )
		{
			document.form1.career.className = 'field-error';
			alert('Please select a Career Track.');
			return false;
	}
	else if ( document.form1.zip.value == "" )
	{
		document.form1.career.className = 'field';
		document.form1.zip.className = 'field-error';
		alert('Please fill out Zip/Postal Code.');
		return false;
	}
	else
	{
		document.form1.zip.className = 'field';
		if( checked )
		{
			return true;
		}
		else
		{
			alert('Please select Preferred Method of Study');
			return false;
		}
	}
}

//validates for zip, degree,
function ValidateCareerFocus()
{
	var campus_check = document.form1.school_type;
	var checked = false;
	for(i=0; i<campus_check.length; i++){
		if(campus_check[i].checked)
			checked=true;
	}
	if( document.form1.degree[document.form1.degree.selectedIndex].value == '' )
		{
			document.form1.degree.className = 'field-error';
			alert('Please select a Career Focus.');
			return false;
	}
	else if ( document.form1.zip.value == "" )
	{
		document.form1.degree.className = 'field';
		document.form1.zip.className = 'field-error';
		alert('Please fill out Zip/Postal Code.');
		return false;
	}
	else
	{
		document.form1.zip.className = 'field';
		if( checked )
		{
			return true;
		}
		else
		{
			alert('Please select Preferred Method of Study');
			return false;
		}
	}
}

//validates for zip, degree,
function ValidateCareerFocusHorz()
{
	var checked = false;
	var err = '';
	if( document.searchformHorz.degree[document.searchformHorz.degree.selectedIndex].value == '' )
		{
			document.searchformHorz.degree.className = 'field-error';
			err += 'Please select a Career Focus.'+"\n";
	}
	else
	{
		document.searchformHorz.degree.className = 'field';
	}
	
	if ( document.searchformHorz.zip.value == "" )
	{
		document.searchformHorz.zip.className = 'field-error';
		err += 'Please fill out Zip/Postal Code.';
	}
	else
	{
		document.searchformHorz.zip.className = 'field';
	}
	if( err != '' )
	{
		alert(err);
		return false;
	}
	else
	{
		return true;
	}
}