function friday(ind)

{

	if(confirm("Czy na pewno chcesz zagłosować na ten przepis?"))

	{

		if(document.getElementById( "vote_form_004" ))

		{
			
			document.getElementById( "vote_form_004" )['p'].value = hex_md5(ind.toString());
			document.getElementById( "vote_form_004" ).action = "recipe_vote.php";
			document.getElementById( "vote_form_004" ).submit();

		}

		

	}

}

function toggleClass(class_name1,class_name2,el) {

    if (el.className == class_name1) {
    
        el.className = class_name2;
        
    }   else {
                el.className = class_name1;
        }

}

function setDisplayProp(value,id) {
	el = document.getElementById(id);
	el.style.display = value; 
}

function institution_required(required)
{
	if(required)
	{
		document.getElementById('institution').innerHTML = '*';
	}
	else
	{
		document.getElementById('institution').innerHTML = '';
	}
		
}
/*
* Function to parse the URL and return the value of param given as argument.
*/ 
function getParamValue(paramString)
{
	var url = window.location.toString();
	var value;
	var param;
	url = url.split('?');
	if(url[1] == undefined)
	{
		var value = "";
		return value;
	}
	else
	{
		url = url[1].split('&');
		var i;
		for(i=0;i<url.length;i++)
		{
			urlSplit = url[i].split('=')
			param = urlSplit[0];
			value = urlSplit[1]
			if (param == paramString)
			{
				return value;
			}
		}
	}
}
/**
 * wymaga jquery
 * @return
 */
function captchaRefreshImage(){
    $(function(){$.ajax({
        type:"post",
        url:"/units/ajax.captcha.php",
        data:"A=REFRESH",
        success:function(image){$('#captcha_image').attr('src',image);}})
    })
}