function errorChk() {

	if((document.info.action2.value=='step2') && (document.info.prev_action2.value=='step1')){

		if(document.info.state.value==''){
			alert("Please select your state.");
		} else {
			document.info.submit();
		}

	}

	if((document.info.action2.value=='step3') && (document.info.prev_action2.value=='step2')){
		if(document.info.ds.value==''){
			alert("Please select a course date.");
		} else {
			document.info.submit();
		}
	}
	
	if((document.info.action2.value=='step4') && (document.info.prev_action2.value=='step3')){
		if(document.info.name.value==''){
			alert("Please enter your name.");
			document.info.name.focus();
		} else if(((document.info.phone.value=='') || (document.info.area.value==''))&&(document.info.mobile.value=='')){
			alert("Please enter a valid phone/mobile number, including area code");
		} else if(document.info.address.value==''){
			alert("Please enter your address.");
			document.info.address.focus();
		} else if(document.info.suburb.value==''){
			alert("Please enter your suburb.");
			document.info.suburb.focus();
		} else if(document.info.state2.value==''){
			alert("Please select your state.");
			document.info.state2.focus();
		} else if(document.info.post_code.value==''){
			alert("Please enter your post code.");
			document.info.post_code.focus();
		} else {
			document.info.submit();
		}
	}
	
	if((document.info.action2.value=='step5') && (document.info.prev_action2.value=='step4')){

	    var pay = parseInt(document.info.pay.value);
		var deposit = parseInt(document.info.deposit.value);
		var cost = parseInt(document.info.cost.value);
				
		if(isNaN(pay)){
			alert("Please enter an amount to pay");
			document.info.pay.focus();
		} else if(pay < deposit){
			alert("Minimum deposit is $" + deposit);
			document.info.pay.focus();
		} else if(pay > cost){
			alert("Maximum payment required for this course is $" + cost);
			document.info.pay.focus();
		} else if(!document.info.agree.checked){
			alert("You must agree to the Terms and Conditions to continue.");
			document.info.agree.focus();
		} else {
			document.info.action = "/register.php";
			document.info.submit();
		}
		
	}
	
}