var ns4=document.layers;
var ie4=document.all;
var ns6=document.getElementById&&!document.all;

//drag drop function for NS 4////
/////////////////////////////////

var dragswitch=0;
var nsx;
var nsy;
var nstemp;

function drag_drop(name){
	if (!ns4) return temp=eval(name);
	temp.captureEvents(Event.MOUSEDOWN | Event.MOUSEUP);
	temp.onmousedown=down;
	temp.onmousemove=move;
	temp.onmouseup=up;
}

function down(e){
	temp.captureEvents(Event.MOUSEMOVE);
	nsx=e.x;
	nsy=e.y;
}
function move(e){
	if (dragswitch==1){
		temp.moveBy(e.x-nsx,e.y-nsy)
		return false;
	}
}

function up(){
	temp.releaseEvents(Event.MOUSEMOVE)
}

//drag drop function for ie4+ and NS6////
/////////////////////////////////
function drag_drop(e){
	if (ie4&&dragapproved){
	    crossobj.style.left=tempx+event.clientX-offsetx
	    crossobj.style.top=tempy+event.clientY-offsety
	    return false
	}
	else if (ns6&&dragapproved){
	    crossobj.style.left=tempx+e.clientX-offsetx+"px"
	    crossobj.style.top=tempy+e.clientY-offsety+"px"
	    return false
	}
}

function initialize_drag(e,pop,dragbar){
pop = (pop) ? pop : "pop";
dragbar = (dragbar) ? dragbar : "dragbar";
crossobj=ns6? document.getElementById(pop) : eval("document.all."+pop)
var firedobj=ns6? e.target : event.srcElement
var topelement=ns6? "html" : document.compatMode && document.compatMode!="BackCompat"? "documentElement" : "body"
while (firedobj.tagName!=topelement.toUpperCase() && firedobj.id!=dragbar){
firedobj=ns6? firedobj.parentNode : firedobj.parentElement
}

if (firedobj.id==dragbar){
offsetx=ie4? event.clientX : e.clientX
offsety=ie4? event.clientY : e.clientY

tempx=parseInt(crossobj.style.left)
tempy=parseInt(crossobj.style.top)

dragapproved=true
document.onmousemove=drag_drop
}
}
document.onmouseup=new Function("dragapproved=false")

////drag drop functions end here//////

function hide_box(pop){
	if (ie4||ns6) {
		crossobj.style.visibility="hidden";
	} else if (ns4) {
		eval("document."+pop+".visibility=\"hide\"");
	}
}

function openalertpop(){
	if (ie4) {
		document.all.alertpop.style.visibility="visible";
		document.all.alertpop.style.width = 375;
	}
	else if (ns6) {
		document.getElementById("alertpop").style.visibility="visible";
	}
}

function openpromo(url, w, h){
	if (ie4) {
		document.all.pop.style.visibility="visible";
		document.all.pop.style.width = w;
		document.all.pop_content.innerHTML = window.frames[0].document.body.innerHTML;
	}
	else if (ns6) {
		document.getElementById("pop").style.visibility="visible";
		document.getElementById("pop_content").innerHTML = window.frames[0].document.body.innerHTML;
	}
	else{
		centrePopNoScroll(url, w, h);
	}
}