var contactUs = {

init : function() {

// object detection to block non-supporting browsers
if(!document.getElementById) {return;}

// obtain references to the three divs
this.contactForm = document.getElementById('contactForm');
this.commentBox = document.getElementById('commentBox');
this.searchBox = document.getElementById('searchBox');

// trigger display function
this.selectMenu = document.getElementById('selectInquiry');
this.selectMenu.onclick = this.display;
},

display : function() {

var index = contactUs.selectMenu.selectedIndex;
var selectedOptionValue = contactUs.selectMenu.options[index].value;

if(selectedOptionValue==='Search Transcripts') {
contactUs.contactForm.style.display = 'block';
contactUs.commentBox.style.display = 'none';
contactUs.searchBox.style.display = 'none';
}

if(selectedOptionValue==='Appliance Part') {
contactUs.contactForm.style.display = 'none';
contactUs.commentBox.style.display = 'none';
contactUs.searchBox.style.display = 'block';
}

if(selectedOptionValue==='Comment') {
contactUs.contactForm.style.display = 'none';
contactUs.commentBox.style.display = 'block';
contactUs.searchBox.style.display = 'none';
}

}

}

contactUs.init();