pic1= new Image(172,111); 
 pic1.src="http://www.mr-locks.com/images/loading.jpg"; 
 pic2= new Image(172,111); 
 pic2.src="http://www.mr-locks.com/images/thanks.gif";
 pic3= new Image(152,20); 
 pic3.src="http://www.mr-locks.com/images/free-input1.gif";
 pic4= new Image(100,100); 
 pic4.src="http://www.mr-locks.com/images/ajax-loader.gif";
 
 function checkform() {  
 	if (document.form1.phone.value == "") {
    	alert( "Please enter your phone number" );
    	document.form1.phone.focus();
    	return false ;
  	} 
	if (document.form1.name.value == "") {
    	alert( "Please enter your name" );
    	document.form1.name.focus();
    	return false ;
  	} 
	if (document.form1.email.value == "") {
    	alert( "Please enter your email" );
    	document.form1.email.focus();
    	return false ;
  	} 

}