// JavaScript Document
function show_hide(img_id){
	if (document.getElementById("show"+img_id).value == "0"){
		document.getElementById(img_id).src = "images/hide.gif";
		document.getElementById("show"+img_id).value = "1";
	}else if (document.getElementById("show"+img_id).value == "1"){
		document.getElementById(img_id).src = "images/show.gif";
		document.getElementById("show"+img_id).value = "0";
	}
}

function progress(col_id){
	prog = ++ document.getElementById("prog_"+col_id).value ;
	if(prog == 5){
		prog=1;
		document.getElementById("prog_"+col_id).value = 1;
	} 
	document.getElementById(col_id).src = "images/progress"+prog+".jpg";
}

function grades(bar_id){
	grade = ++ document.getElementById("grade_"+bar_id).value ;
	if(grade == 6){
		grade=0;
		document.getElementById("grade_"+bar_id).value = 0;
	} 
	document.getElementById(bar_id).src = "images/grade"+grade+".gif";
}

function confirm_delpobj() {
	return confirm ('Are you sure you want to delete this Personal Objective?')
}