//random image script:
randomImages = new Array('feature_1.jpg', 'feature_2.jpg', 'feature_3.jpg');
	var randomImageCount = randomImages.length;
		
function randomImage() {
	var displayAd = Math.floor(Math.random()*randomImageCount);
	//document.getElementById('showimage').innerHtml = displayAd;
	document.getElementById('featureBanner').innerHTML = "<img src = 'images/"+randomImages[displayAd]+"'/>";

}

//enquiry form script:
function validate(){
	if(document.enquiryform.name.value==""){
		alert("Enter a Name")
		document.enquiryform.name.focus()
		return false;
	}
	else if(document.enquiryform.subject.value==""){
		alert("Enter a Subject")
		document.enquiryform.subject.focus()
		return false;
	}
	else if ((document.enquiryform.email.value.indexOf("@") == -1)||(document.enquiryform.email.value.indexOf(".") == -1)){
		alert("Not a valid e-mail - please complete this field")
		document.enquiryform.email.focus()
		return false;
	}
		else if(document.enquiryform.comment.value==""){
		alert("Enter a Comment")
		document.enquiryform.comment.focus()
		return false;
	}
		return true;
}// JavaScript Document