function loadImages()
{
	
	var aImageSources = [
'/pic/marker.jpg',
'/pic/marker_on.jpg',
'/pic/marker_ch.jpg'
];



	var index = aImageSources.length;

	window.aImages = new Array();

	while (index > 0)
	{
		var img = new Image();
		
		img.src = aImageSources[--index];
		window.aImages[index] = img;
	}

	//alert(window.aImages.length)
}

loadImages();

function checkFields ()
 {
   var field1 = document.form1.fild1.value;
   var field2 = document.form1.fild2.value;
   var field3 = document.form1.fild3.value;
   
   if (field1 && field2 && field3) 
     { 
	   document.form1.submit(); return true; 
	 }
   else 
     { 
	   alert('Вы не заполнили некоторые поля.'); return false; 
	 }
 }