// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults
function markRow(status, row_id, container_id)
{           
        var rows = document.getElementById(container_id).getElementsByTagName('tr');
        return true;
}

function markAllRows( status , container_id ) {   

    var rows = document.getElementById(container_id).getElementsByTagName('input');
    var unique_id;
    var checkbox;    
    
    for ( var i = 0; i < rows.length; i++ ) {

        checkbox = rows[i]
        
		if ( checkbox && checkbox.type == 'checkbox' ) {
            unique_id = checkbox.name + checkbox.value;
           
            if ( checkbox.disabled == false ) 
                checkbox.checked = status;               
                   
            }
        }

    return true;
} 

function remove_field(element, item) {
  element.up(item).remove();
}

function display_text()
{
	if(document.getElementById('contact').checked) 
	{
		document.getElementById('item_price').value = 0;
		document.getElementById('item_price').readOnly = true;
	}
	else 
	{
		document.getElementById('item_price').readOnly = false;
		document.getElementById('item_price').value = '';
		document.getElementById('item_price').focus();
	}
	return false;
}

function add_keyword()
{
	if (document.getElementById('keyword').value == "" ||  document.getElementById('keyword').value == " ")
	{
		document.getElementById('keyword').value = "keyword";
	}	
}

function remove_keyword()
{  
	if (document.getElementById('keyword').value == "keyword") {
  	document.getElementById('keyword').value = "";
  }
}