function ShowPopUp(position, behaviorId){
    var agt=navigator.userAgent.toLowerCase();
    var is_firefox = (agt.indexOf("firefox") != -1);
	var is_ie     = (!is_firefox && (agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
    var is_ie6    = (is_ie && (agt.indexOf("msie 6.")!=-1) );
	if(!is_ie || !is_ie6){
	    var _cssClass = "";
	    if (position == "left") _cssClass = ".leftsidebar";
	    else if (position == "center") _cssClass = ".content";
	    else _cssClass = ".rightsidebar";
	    $(".leftsidebar").css("position", "static");
	    $(".content").css("position", "static");
	    $(".rightsidebar").css("position", "static");
	    $(_cssClass).css("position", "relative");
	}    
    
    if(behaviorId != "")
        $find(behaviorId).show();
}