function validateContactForm()
{
	var name = document.getElementById('name');
	var comments = document.getElementById('comments');
	var phone = document.getElementById('phone');
	var isOK = false;

	if (name.value.length == 0) {
		alert ("Name is missing");
		isOK = false
		return false;	
	} else {
		isOK = true;	
	}
	
	if (comments.value.length == 0) {
		alert ("Comments is missing");
		isOK = false
		return false;	
	} else {
		isOK = true;	
	}
	
	if (phone.value.length == 0) {
		alert ("Phone is missing");
		isOK = false
		return false;	
	} else {
		isOK = true;	
	}
	
	if (isOK) {
		return true;
	} else {
		return false;
	}
}

function preloadImages()
{
	var Image1=new Image(); Image1.src="images/btn1_o.jpg";
	var Image2=new Image(); Image2.src="images/btn2_o.jpg";
	var Image3=new Image(); Image3.src="images/btn3_o.jpg";
	var Image4=new Image(); Image4.src="images/btn4_o.jpg";
	var Image5=new Image(); Image5.src="images/btn5_o.jpg";
	var Image6=new Image(); Image6.src="images/btn6_o.jpg";
	var Image7=new Image(); Image7.src="images/btn7_o.jpg";
	var Image9=new Image(); Image9.src="images/btn9_o.jpg";
	var Image10=new Image(); Image10.src="images/btn10_o.jpg";
	var Image11=new Image(); Image11.src="images/btn11_o.jpg";
	
}