function originalMySpace(){
	document["mySpace"].src = "imgs/myspace.gif";
}

function alternativoMySpace(){
	document["mySpace"].src = "imgs/myspace-over.gif";
}

function originalPurevolume(){
	document["purevolume"].src = "imgs/purevolume.gif";
}

function alternativoPurevolume(){
	document["purevolume"].src = "imgs/purevolume-over.gif";
}

function originalFacebook(){
	document["facebook"].src = "imgs/facebook.gif";
}

function alternativoFacebook(){
	document["facebook"].src = "imgs/facebook-over.gif";
}

function originalFlog(){
	document["fotolog"].src = "imgs/flog.gif";
}

function alternativoFlog(){
	document["fotolog"].src = "imgs/flog-over.gif";
}