var fullview = false;
function fullsize(Id){
    if(document.getElementById(Id).width > 145) {
        if(!fullview) {
		var img = document.getElementById(Id);
		img.style.visibility = 'visible';
		img.style.zIndex = 100;
	}
        fullview = true;
    }
}
function sizeback(obj){
    if(fullview)obj.style.visibility = 'hidden';
    fullview = false;
}