// ALC JavaScript Document

function paper(imageId,task) {

var image_id = document.getElementById(imageId);

	if (task == "show") {
		document.getElementById(imageId).style.backgroundImage = 'url(../images/files/files_over_02.png)';
	}
	
	if (task == "hide") {
		document.getElementById(imageId).style.backgroundImage = 'url(../images/files/files_02.png)';
	}
	
}