NumberOfImagesToRotate = 4;

FirstParta = '<img src="http://www.theatricalcostumehire.com/images/testimonial';
LastParta = '.jpg" height="87" width="220"';

function printImagea() {
var r = Math.ceil(Math.random() * NumberOfImagesToRotate);

if(r == 1){
	enda = 'alt="">';
}
else if(r == 2){
	enda = 'alt="">';
}
else if(r == 3){
	enda = 'alt="G">';
}
else if(r == 4){
	enda = 'alt="G">';
}

document.write(FirstParta + r + LastParta + enda);
}