function closeBoxSlow(el){
	plusminus(el+'icon');
	Effect.toggle(el, 'blind',{ duration: 0.3 });
}
 
function plusminus(imgID){
	if(document.getElementById(imgID).getAttribute("src").indexOf("images/blue-button_11.jpg")!=-1){
		document.getElementById(imgID).setAttribute("src","images/blue-button_11.jpg");
	}else{
		document.getElementById(imgID).setAttribute("src","images/blue-button_11.jpg");
	}
}