//SETTING UP OUR POPUP
//0 means disabled; 1 means enabled;
var popupStatus = 0;

//loading popup with jQuery magic!
function loadPopup(){
	//loads popup only if it is disabled
	if(popupStatus==0){
		$("#backgroundPopupV1").css({
			"opacity": "0.7"
		});
		$("#backgroundPopupV1").fadeIn("slow");
		$("#tooltip-box").fadeIn("slow");
		popupStatus = 1;
	}
}

//disabling popup with jQuery magic!
function disablePopup(){
	//disables popup only if it is enabled
	if(popupStatus==1){
		$("#backgroundPopupV1").fadeOut("slow");
		$("#tooltip-box").fadeOut("slow");
		popupStatus = 0;
	}
}

//centering popup
function centerPopup(){
	//request data for centering
	var windowWidth = document.documentElement.clientWidth;
	var windowHeight = document.documentElement.clientHeight;
	var popupHeight = $("#tooltip-box").height();
	var popupWidth = $("#tooltip-box").width();
	//centering
	$("#tooltip-box").css({
		"position": "absolute",
		"top": windowHeight/2-popupHeight/2,
		"left": windowWidth/2-popupWidth/2
	});
	//only need force for IE6
	
	$("#backgroundPopupV1").css({
		"height": windowHeight*2
	});
	
}

// fix for the z-index problem with IE . to hide the select. Not very good.
function showOrHideAllDropDowns(newState) {
    
    var elements = document.documentElement.getElementsByTagName('select');
 
    for (var i=0; i<elements.length; i++) {
        elements[i].style.visibility = newState;
    }
}