var curtain_bv=1;
//var curtain_pTop=-78;
//var curtain_pHeight=211;
var curtain_updown=1;
var curtain_endpt=0;
var curtain_ranonce=0;
var curtain_pDivSeen=0;
var curtain_hidden=0;

var curtain_delay_tobottom=20;
var curtain_delay_pause=7500;
var curtain_delay_toleft=200;

var ua=navigator.userAgent.toLowerCase()
if ((ua.indexOf("opera")==-1)&&((ua.indexOf("msie")!=-1)&&(ua.indexOf("windows")!=-1))||((ua.indexOf("msie 5")!=-1)&&(ua.indexOf("mac")!=-1))) { curtain_bv = 1; }

function validPage() {
	return ((document.getElementById('curtain_pDiv') != null) && (document.getElementById('curtain_pDiv2') != null) && (document.getElementById('locator') != null));
}

function getLocationLeft(objElement){
	intLeft =document.getElementById(objElement).offsetLeft;
	return intLeft;
}
function getLocationTop(objElement){
	intTop = document.getElementById(objElement).offsetTop;
	return intTop;
}

function curtain_execute() {
	if(!validPage())
		return;
	
	if (curtain_bv) {
		if (!curtain_ranonce) {
			curtain_pTop = getLocationTop('locator')-211;
			curtain_pHeight = 211;

			curtain_pDiv.style.left=getLocationLeft('locator')+100;
			curtain_pDiv2.style.left=getLocationLeft('locator')+280;
			curtain_pDiv2.style.top=getLocationTop('locator')-20;

			curtain_show();
		}
		else {
			if(curtain_hidden == 1) {
				if (curtain_pDivSeen != 1) {
					curtain_pDiv.style.clip="rect(0,320,211,0)";
					curtain_pDiv.style.display="";
					curtain_pDiv.style.top=0;
				}
				curtain_endpt=(document.body.offsetWidth/2)-160;
				curtain_hide();
			}
		}
	}
}

function curtain_show(){
	curtain_ranonce=1;
	if (((curtain_pHeight<211)&&(curtain_updown==0)) || ((curtain_pHeight>3)&&(curtain_updown==1))) {
		if (curtain_pHeight == 211) { curtain_pDiv.style.display=""; }
		(curtain_updown==0)?curtain_pHeight+=3:curtain_pHeight-=3;
		(curtain_updown==0)?curtain_pTop-=3:curtain_pTop+=3;
		curtain_pDiv.style.clip="rect(" + curtain_pHeight + ",320,211,0)";
		curtain_pDiv.style.top=curtain_pTop;
		setTimeout("curtain_show();",curtain_delay_tobottom);
	}
	else {
		if (curtain_updown==1){
			curtain_pDiv.style.clip="rect(0,320,211,0)";
			curtain_pDiv.style.top=curtain_pTop;
			curtain_updown=0;
			//curtain_pDiv2.style.display='';
			setTimeout("curtain_show();",curtain_delay_pause);
		}
		else{
			curtain_pDiv.style.display='none';
			curtain_pDivSeen = 1;
			//(document.body.offsetWidth/2)-160
			curtain_endpt=getLocationLeft('locator')+280;
			curtain_pDiv2.style.display='';
			curtain_hide();
		}
	}
}

function curtain_hide(){
	if(curtain_endpt<(getLocationLeft('locator')+501)){
		curtain_endpt+=5;
		curtain_pDiv2.style.left=curtain_endpt;
		setTimeout("curtain_hide();",curtain_delay_toleft);
	}
	else{
		curtain_hidden = 1
	}
}