rs1 = new Image();
rs1.src = "Imagens/Icons/[icon]facebook.png";
rs2 = new Image();
rs2.src = "Imagens/Icons/[icon]tweeter.png";
rs1_hover = new Image();
rs1_hover.src = "Imagens/Icons/[icon]facebook_hover.png";
rs2_hover = new Image();
rs2_hover.src = "Imagens/Icons/[icon]tweeter_hover.png";

function alterar(id){
	if(id == "rs1c" || id == "rs1r") {
		img = rs1_hover.src;
	} else if(id == "rs2c" || id == "rs2r"){
		img = rs2_hover.src;
	}
	
	el = document.getElementById(id);
	el.src = img;	
}

function repor(id){
	if(id == "rs1c" || id == "rs1r") {
		img = rs1.src;
	} else if(id == "rs2c" || id == "rs2r") {
		img = rs2.src;
	}
	
	el = document.getElementById(id);
	el.src = img;	
}