_forms = new Array("jl","jd","jb","lr","cro");


function status_change(option){

	el = document.getElementById(option+"_status");
	img = el.src.toString();

	if(document.getElementById(option).checked==true){

		if(img.indexOf('blank.png')!=-1){

			el.src = _imgpath + "accept_grey.png";


		}
		//call in div
		reveal(document.getElementById(option+"_display"));

	}else{

			el.src = _imgpath + "blank.png";
			//hide div
			reveal(document.getElementById(option+"_display"));
	}

	check_instructions();

}

function reveal(div){

	if(div.style.display=='none'){
		div.style.display = 'block';
	}else{
		div.style.display='none';
	}
}

function check_instructions(){

	_blank = 0;

	for(i=0;i<_forms.length;i++){
		if(document.getElementById(_forms[i]).checked==true){
			_blank=1;
		}
	}

	if(_blank == 0){
		document.getElementById('instructions').style.display='block';
	}else{
		document.getElementById('instructions').style.display='none';
	}
}