function getStyle(el,styleProp){
	var x = document.getElementById(el);
	if (window.getComputedStyle)
		var y = window.getComputedStyle(x,null).getPropertyValue(styleProp);
	else if (x.currentStyle)
		var y = eval('x.currentStyle.' + styleProp);
	return y;

}//END FUCTION

function getInterface(){
	var site_options = document.getElementById('site_options');
	var sign         = document.getElementById("display");

	var display = getStyle('site_options','display');
	if(display == 'block'){
		site_options.style.display = 'none';
		sign.style.background = "url('theme/default/img/sign_plus.gif') 50% 50% no-repeat";
	}else if(display == 'none'){
		site_options.style.display = 'block';
		sign.style.background = "url('theme/default/img/sign_minus.gif') 50% 50% no-repeat";
  }//End if

}
//window.onload=startList;