function randomImage() {
	var i=Math.floor(Math.random()*imagesA.length);
	if(document.getElementById("randomA")){
		document.getElementById("randomA").src=imagesA[i];
		document.getElementById("randomHREFA").href = randomHREFA[i];
	}	
	if(document.getElementById("randomB")){
		document.getElementById("randomB").src=imagesB[i];
		document.getElementById("randomHREFB").href = randomHREFB[i];
	}
	var k=Math.floor(Math.random()*imagesC.length);
	if(document.getElementById("randomC")){
		document.getElementById("randomC").src=imagesC[k];
		document.getElementById("randomHREFC").href = randomHREFC[k];
	}	
	if(document.getElementById("randomD")){
		document.getElementById("randomD").src=imagesD[k];
		document.getElementById("randomHREFD").href = randomHREFD[k];
	}
}

onload=randomImage;