function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	}
	return [curleft,curtop];
}


function toggle(obj, img, caldate) {
	var el = document.getElementById(obj);
	var cookie_val = readCookie('eleon_acis_headachecal'); //caldate|status***
    var el_status = '';
    ///alert(caldate);
    if(el.style.display != 'none') {
        el.style.display = 'none';
        img.src = 'fileadmin/img/icon_plus.gif';
        el_status = 'none';
    } else {
        el.style.display = '';
        img.src = 'fileadmin/img/icon_minus.gif';
        el_status = 'block';
    }
    
    if(cookie_val) {
    	var new_val = caldate + '|' + el_status + '***';
    	var old_val = caldate + '|' + (el_status == 'block' ? 'none' : 'block') + '***';
    	
    	if(cookie_val.indexOf(old_val) != -1) {
    		cookie_val = cookie_val.replace(old_val, new_val);
    	} else {
    		cookie_val = cookie_val + '' + new_val;
    	}
    	//alert(new_val);
    } else {
    	cookie_val = caldate + '|' + el_status + '***'; 
    }
    //alert(cookie_val);
    createCookie('eleon_acis_headachecal', cookie_val, 365);
}

function toggle_copy_dialog(mode, obj, caldate_to) {
	var dialog_obj = document.getElementById('copy_dialog');

	if(mode == 'show') {
		var obj_pos = findPos(obj);
		
		dialog_obj.style.display = '';
		dialog_obj.style.position = 'absolute';
		dialog_obj.style.left = (obj_pos[0] - obj.offsetWidth) + 'px';
		dialog_obj.style.top = (obj_pos[1] + 5) + 'px';
		
		document.getElementById('tx_eleonacisheadachecal_pi1-caldate_to').value = caldate_to;
	} else {
		dialog_obj.style.display = 'none';
	}
}