/*
 * This function checks the buy and sell form to make sure it is valid.
 */
function validateForm(){
	/*
	 * First, get the fields.
	 */
	var bsname = document.getElementById('name').value;
	var bstitle = document.getElementById('title').value;
	var bsphone = document.getElementById('phone').value;
	var bsemail = document.getElementById('email').value;
	var bsdescription = document.getElementById('description').value;
	var bscost = document.getElementById('cost').value;
	//pic1 = document.getElementById('pic1').value;
	//pic2 = document.getElementById('pic2').value;
	if(bsname == ""){
		alert('You must enter your name.');
	}
	else if(bstitle == ""){
		alert('You must enter give your ad a title.');
	}
	else if(bsphone == "" && bsemail == ""){
		alert('You must enter a phone number or email address.');
	}
	else if(bsdescription == ""){
		alert('You must enter a description of the item you want to buy, sell or trade.');
	}
	else if(isNaN(bscost)){
		alert('You must enter a numeric cost, without the $ symbol.');
	}
	else{
		document.getElementById('submit').style.display = 'block';
		alert('Please press the submit button below.');
	}
}