function swap_image(to){
	if(to > 23){
		to = 0;
	}
	proc = "image" + to + " = new Image();image" + to + ".src = \"img/yard" + to + ".jpg\";";
	eval(proc);
	document.imageswap.src = eval("image" + to + ".src");
	to++;
	setTimeout('swap_image('+to+');',10000);
}

function check_form(items,okcolor){
	var myform_array=items.split(",");
	var ok = true;
	var err ="";
	for ( keyVar in myform_array ) {
		if (typeof document.getElementById(myform_array[keyVar]) == "undefined"){
		}else{
			check_item = document.getElementById(myform_array[keyVar]);
			if (check_item.value == ""){
				ok = false;
				check_item.style.backgroundColor="#FFA8A8";
				if (typeof check_item.alt == "undefined"){
					if (typeof check_item.name == "undefined"){
					}else{
						err=err+ check_item.name+" is too short \n";
					}
				}else{
					if (typeof check_item.alt == "undefined"){
					}else{
						err=err+ check_item.alt+" is too short \n";
					}
				}
			}else{
				check_item.style.backgroundColor=okcolor;
			}
		}
	}
	if (ok == false){
		alert( "There is a problem with your submission. Please review\n\n"+err);
		return false;
	}else{
		return true;
	}
}

/***********************************************
* Encrypt Email script- Please keep notice intact
* Tool URL: http://www.dynamicdrive.com/emailriddler/
* **********************************************/
<!-- Encrypted version of: sales [at] ***********************.*** //-->

var emailriddlerarray=[115,97,108,101,115,64,114,101,99,108,97,105,109,101,100,98,114,105,99,107,115,97,110,100,116,105,108,101,115,46,99,111,109]
var encryptedemail_id45='' //variable to contain encrypted email 
for (var i=0; i<emailriddlerarray.length; i++)
 encryptedemail_id45+=String.fromCharCode(emailriddlerarray[i])