// JavaScript Document



var hidemenu;



function showDiv(element){

	showhidediv = document.getElementById(element);

	if(showhidediv){

		showhidediv.style.display = "block";

	}

	if(!isNaN(hidemenu)){

		clearTimeout(hidemenu)

	}

}



function hideDiv(element){

	showhidediv = document.getElementById(element);

	if(showhidediv){

		hidemenu = setTimeout("document.getElementById('"+element+"').style.display = 'none'",666);

	}

}



function isset(mixed_var) {

    var i = 0, argc = arguments.length, argv = arguments, set=true; 

    for (i = 0; i< argc; i++){

        if( argv[i] == undefined ){

            set = false;

            break;

        }

    } 

    return set;

}



var curPic = 0;



function showHouse(houseid) {

	curPic = 0;

	var ci = document.getElementById("householder").getElementsByTagName("DIV");

	var els = ["", "Pics"];

	for (var i = 0; i < ci.length; i ++) {

		var r = ci[i].getAttribute("rel");		

		if (r) {

			var id = ci[i].id;

			var d = (ci[i].id == houseid) ? "block" : "none";

			for (var e = 0; e < els.length; e ++) {

				document.getElementById(id + els[e]).style.display = d;						

			}

			document.getElementById(id + "Link").className = (d == "block") ? "highlight" : "normal";

		}	

	}

}



function swapPic(houseid, dir){

	var pics = document.getElementById(houseid+"Pics").getElementsByTagName("IMG");

	if(pics){

		numpics = pics.length-2;

		if(dir == 'next'){

			curPic++;

			if(curPic == numpics){			

				curPic = 0;

			}

		}

		if(dir == 'prev'){

			curPic--;

			if(curPic == -1){			

				curPic = numpics-1;

			}

		}

		

		for(var i=0;i<pics.length;i++){

			var r = pics[i].getAttribute("rel");

			if(r && r=='housepic')

				pics[i].style.display = "none";

		}

		pics[curPic].style.display = 'inline';

		

		var picNo = document.getElementById(houseid+"picNo");

		picNo.innerHTML = curPic+1;

	}

}