function showAdvSearch(){
	
	if(document.getElementById('advanced_search').style.display == "block"){
		hide('advanced_search');
	}
	else{
		show('advanced_search', 'block');
	}
}

function show(id, how){
	
	document.getElementById(id).className='';
	
	if (navigator.appName == 'Microsoft Internet Explorer') {
		element=document.getElementById(id).style;
		element.display = 'block';
	}
	else {
		element=document.getElementById(id).style;
		element.display = how;
	}
}

function hide(id){
	
	element=document.getElementById(id).style;
	element.display = 'none';
}

function slicker(id)
{
    if (document.getElementById(id).className == 'displaySep')
    {
        document.getElementById(id).className='hiddenSep';
    }

    else
    {
        document.getElementById(id).className='displaySep';
    }
}

function checkNumber(e)
{
    if (!e) var e = window.event
    if (e.keyCode) code = e.keyCode;
    else if (e.which) code = e.which;

    if ((code < 48 || code > 57) && code != 8)
    {
      e.returnValue= false;
      e.cancelBubble = true;
      if (e.stopPropagation) e.stopPropagation();

      return false;
    }
    else
    {
      return true;
    }
}