//swap CSS style
function swapImg(obj, new_style) {
    obj.className = new_style;
}

function addy(mail1, mail2, subj) {
	var seg1=(mail1)
	var seg2=('@')
	var seg3=(mail2)
	var seg7=('mai')
	var seg8=('lto')
	var seg9=(':')
	var seg10=('<a href="')
	var seg11=('?subject=Studylets Enquiry: ' + subj +'">' +seg1+seg2+seg3+ '</a>')
	document.write(seg10+seg7+seg8+seg9+seg1+seg2+seg3+seg11)
}

function launchWindow(page,wd,ht) {
  var dims=('width=' + wd + ',height=' + ht)
  window.open(page, 'broadband', dims);
}