// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults

// Utility Functions for Area Checkboxes
function toggleGroupView(group_id) {
	if( !$('group_arrow_' + group_id) ) {
		return;
	}
	
	var img = $('group_arrow_' + group_id);
	var list = groups['group_' + group_id];
	
	if( collapsed['group_' + group_id] ) {
		img.src = '/images/classic/minus.gif';
		collapsed['group_' + group_id] = false
	} else {
		img.src = '/images/classic/plus.gif';
		collapsed['group_' + group_id] = true;
	}
	
	$('tr_group_areas_' + group_id).toggle();
}

function toggleAreasChecked(group_id) {
	var list = groups['group_' + group_id];
	var cb = $('cb_group_' + group_id);
	var tr = $('tr_group_' + group_id);
	
	is_checked = cb.checked;
	
	if( collapsed['group_' + group_id] && is_checked ) {
		toggleGroupView(group_id);
	}
	
	for( x = 0; x < list.length; x++ ) {
		if( $('cb_area_' + list[x]) ) {
			$('cb_area_' + list[x]).checked = is_checked;
			$('tr_mls_area_id_' + list[x]).className = is_checked ? "td_area_on" : "td_area_off";
		}
	}

	tr.className = is_checked ? 'td_area_on' : 'td_area_off';
}

function toggleSingleGroup(group_id, area_id, toggle) {
	var cb = $('cb_area_' + area_id);
	var tr = $('tr_group_' + group_id);

	if( toggle ) {
		if( cb.checked ) {
			cb.checked = false;
		} else {
			cb.checked = true;
		}
	}

	tr.className = cb.checked ? 'td_area_on' : 'td_area_off';
}

function toggleGroup(group_id) {
	var cb = $('cb_group_' + group_id);
	cb.checked = cb.checked ? false : true;
}

function toggleArea(area_id, toggle) {
	var cb = $('cb_area_' + area_id);
	var tr = $('tr_mls_area_id_' + area_id);
	
	if( toggle ) { 
		if( cb.checked ) {
			cb.checked = false;
		} else {
			cb.checked = true;
		}
	}        

	tr.className = cb.checked ? 'td_area_on' : 'td_area_off';
}

function fs_toggle(id) {
	
	if( $('fs_link_' + id) ) {
		$('fs_' + id).toggle();
		$('fs_link_' + id).toggle();
	}

	return false;
}

function toggleRequest(type) {
    var types = new Array('request_showing', 'request_info', 'request_address', 'email_to_a_friend');
    
    for( var x = 0; x < types.length; x++ ) {
        if( $(types[x]) ) $(types[x]).style.display = 'none';
    }
    
    $(type).style.display = '';
    
    return false;
}

function toggleSearchOptions(type) {
    var types = new Array('save_this_search', 'share_this_search');
    
    for( var x = 0; x < types.length; x++ ) {
        if( $(types[x]) ) $(types[x]).style.display = 'none';
    }
    
    $(type).style.display = '';
    
    return false;
}

function toggleSearch(type) {
    var types = new Array('default', 'zip', 'address', 'mls_num');
    var current = $('search_type').value;
    
    if( current == type ) {
        return;
    } 
    
    for( var x = 0; x < types.length; x++ ) {
        $('search_tab_' + types[x]).className = '';
        
        if( $('search_form_' + types[x]) ) {
            $('search_form_' + types[x]).style.display = 'none';
        }
    }
    
	if( $('search_form_' + type) ) $('search_form_' + type).style.display = '';

    $('search_tab_' + type).className = 'here';
    $('search_type').value = type;
    
	if( type == 'zip' ) { 
		$('search_form_default').style.display = '';
		$('search_form_default_areas').style.display = 'none';
		$('search_form_default_zip').style.display = '';
	}

	if( type == 'default' ) { 
		$('search_form_default_areas').style.display = '';
		$('search_form_default_zip').style.display = 'none';
	}

    return true;
}

function openOver(pageURL, w, h, scroll){
    var LeftPosition = (screen.width) ? (screen.width - w) / 2 : 0;
    var TopPosition = (screen.height) ? (screen.height - h) / 2 : 0;

    var settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars  = '+scroll+',resizable';
    
    var winOpener = window.open(pageURL, 'openedOver', settings);
}

function swapImage(source, dest) {
    dest.src = source;
}

function getWindowHeight() {
	var windowHeight = 0;
	if (typeof(window.innerHeight) == 'number') {
		windowHeight = window.innerHeight;
	}
	else {
		if (document.documentElement && document.documentElement.clientHeight) {
			windowHeight = document.documentElement.clientHeight;
		}
		else {
			if (document.body && document.body.clientHeight) {
				windowHeight = document.body.clientHeight;
			}
		}
	}
	return windowHeight;
}

function getWindowWidth() {
	var windowWidth = 0;
	if (typeof(window.innerWidth) == 'number') {
		windowWidth = window.innerWidth;
	}
	else {
		if (document.documentElement && document.documentElement.clientWidth) {
			windowWidth = document.documentElement.clientWidth;
		}
		else {
			if (document.body && document.body.clientWidth) {
				windowWidth = document.body.clientWidth;
			}
		}
	}
	return windowWidth;
}

function setContent(id) {
	if (document.getElementById) {
		var windowHeight = getWindowHeight();
		var windowWidth = getWindowWidth();
		
		var bg = document.getElementById('fs_bg');
		bg.style.width = windowWidth + 'px';
		bg.style.height = windowHeight + 'px';
		
		if( false ) { 
		if (windowHeight > 0) {
			var contentElement = document.getElementById(id);
			var contentHeight = contentElement.offsetHeight;
			if (windowHeight - contentHeight > 0) {
				//contentElement.style.position = 'relative';
				contentElement.style.top = ((windowHeight / 2) - (contentHeight / 2)) + 'px';
			} else {
				contentElement.style.position = 'static';
			}
		}
		}
		
		if (windowWidth > 0) {
			var contentElement = document.getElementById(id);
			var contentWidth = contentElement.offsetWidth;
			if (windowWidth - contentWidth > 0) {
				//contentElement.style.position = 'relative';
				contentElement.style.left = ((windowWidth / 2) - (contentWidth / 2)) + 'px';
			} else {
				contentElement.style.position = 'static';
			}
		}
	}
}



function stripNum(num) {
    var iPercent
    var iDollar
    var iSpace
    var iComma
    var numLength = num.length

    if(numLength > 0) {

       num=num.toString();

       iPercent = num.indexOf("%");
       if(iPercent >= 0) {
          num=num.substring(0,iPercent) + "" + num.substring(iPercent + 1,numLength);
          numLength=num.length;
          }
       iDollar = num.indexOf("$");
       if(iDollar >= 0) {
          num=num.substring(0,iDollar) + "" + num.substring(iDollar + 1,numLength);
          numLength=num.length;
          }
       iSpace = num.indexOf(" ");
       if(iSpace >= 0) {
          num=num.substring(0,iSpace) + "" + num.substring(iSpace + 1,numLength);
          numLength=num.length;
          }
       iComma = num.indexOf(",");
       if(iComma >= 0) {
          while(iComma >=1) {
             num=num.substring(0,iComma) + "" + num.substring(iComma + 1,numLength);
             numLength=num.length;
             iComma = num.indexOf(",");
          }
        }

        num = eval(num);
    } else {
        num = 0;
    }

    return num;
}




function computeMonthlyPayment(prin, numPmts, intRate) {

    var pmtAmt = 0;

    if(intRate == 0) {
       pmtAmt = prin / numPmts;
    } else {
       
       if (intRate >= 1.0) {
         intRate = intRate / 100.0;
       }
       intRate /= 12;

       var pow = 1;
       for (var j = 0; j < numPmts; j++)
          pow = pow * (1 + intRate);

       pmtAmt = (prin * pow * intRate) / (pow - 1);

    }

    return pmtAmt;
}




function formatNumberDec(num, places, comma) {

    var isNeg=0;

    if(num < 0) {
       num=num*-1;
       isNeg=1;
    }

    var myDecFact = 1;
    var myPlaces = 0;
    var myZeros = "";
    while(myPlaces < places) {
       myDecFact = myDecFact * 10;
       myPlaces = eval(myPlaces) + eval(1);
       myZeros = myZeros + "0";
    }
    
	onum=Math.round(num*myDecFact)/myDecFact;
		
	integer=Math.floor(onum);

	if (Math.ceil(onum) == integer) {
		decimal=myZeros;
	} else{
		decimal=Math.round((onum-integer)* myDecFact)
	}
	decimal=decimal.toString();
	if (decimal.length<places) {
        fillZeroes = places - decimal.length;
	   for (z=0;z<fillZeroes;z++) {
        decimal="0"+decimal;
        }
     }

   if(places > 0) {
      decimal = "." + decimal;
   }

   if(comma == 1) {
	integer=integer.toString();
	var tmpnum="";
	var tmpinteger="";
	var y=0;

	for (x=integer.length;x>0;x--) {
		tmpnum=tmpnum+integer.charAt(x-1);
		y=y+1;
		if (y==3 & x>1) {
			tmpnum=tmpnum+",";
			y=0;
		}
	}

	for (x=tmpnum.length;x>0;x--) {
		tmpinteger=tmpinteger+tmpnum.charAt(x-1);
	}


	finNum=tmpinteger+""+decimal;
   } else {
      finNum=integer+""+decimal;
   }

    if(isNeg == 1) {
       finNum = "-" + finNum;
    }

	return finNum;
}


function calcMP() {
   if( !($('calc_mp')) ) {
    return;
   }
   
   var Vprice = stripNum($('calc_pp').value);
   var Vdown = Vprice * $('calc_dp').options[$('calc_dp').selectedIndex].value;
   var Vrate = $('calc_apr').options[$('calc_apr').selectedIndex].value;
   var Vyears = 30;

   var Vprincipal = eval(Vprice) - eval(Vdown);
   var Vpmts = Vyears * 12;

   var Vpayment = computeMonthlyPayment(Vprincipal, Vpmts, Vrate);
   $('calc_mp').innerHTML = "$" + formatNumberDec(Vpayment,2,1);
   if( ($('estimated_payment_amt')) ) {
      $('estimated_payment_amt').innerHTML = "$" + formatNumberDec(Vpayment,2,1);
   }
   if( $('hidden_calc_mp') ) $('hidden_calc_mp').value = "$" + formatNumberDec(Vpayment,2,1);
}

function NiftyCheck(){
if(!document.getElementById || !document.createElement)
    return(false);
isXHTML=/html\:/.test(document.getElementsByTagName('body')[0].nodeName);
if(Array.prototype.push==null){Array.prototype.push=function(){
      this[this.length]=arguments[0]; return(this.length);}}
return(true);
}

function Rounded(selector,wich,bk,color,opt){
var i,prefixt,prefixb,cn="r",ecolor="",edges=false,eclass="",b=false,t=false;

if(color=="transparent"){
    cn=cn+"x";
    ecolor=bk;
    bk="transparent";
    }
else if(opt && opt.indexOf("border")>=0){
    var optar=opt.split(" ");
    for(i=0;i<optar.length;i++)
        if(optar[i].indexOf("#")>=0) ecolor=optar[i];
    if(ecolor=="") ecolor="#666";
    cn+="e";
    edges=true;
    }
else if(opt && opt.indexOf("smooth")>=0){
    cn+="a";
    ecolor=Mix(bk,color);
    }
if(opt && opt.indexOf("small")>=0) cn+="s";
prefixt=cn;
prefixb=cn;
if(wich.indexOf("all")>=0){t=true;b=true}
else if(wich.indexOf("top")>=0) t="true";
else if(wich.indexOf("tl")>=0){
    t="true";
    if(wich.indexOf("tr")<0) prefixt+="l";
    }
else if(wich.indexOf("tr")>=0){
    t="true";
    prefixt+="r";
    }
if(wich.indexOf("bottom")>=0) b=true;
else if(wich.indexOf("bl")>=0){
    b="true";
    if(wich.indexOf("br")<0) prefixb+="l";
    }
else if(wich.indexOf("br")>=0){
    b="true";
    prefixb+="r";
    }
var v=getElementsBySelector(selector);
var l=v.length;
for(i=0;i<l;i++){
    if(edges) AddBorder(v[i],ecolor);
    if(t) AddTop(v[i],bk,color,ecolor,prefixt);
    if(b) AddBottom(v[i],bk,color,ecolor,prefixb);
    }
}

function AddBorder(el,bc){
var i;
if(!el.passed){
    if(el.childNodes.length==1 && el.childNodes[0].nodeType==3){
        var t=el.firstChild.nodeValue;
        el.removeChild(el.lastChild);
        var d=CreateEl("span");
        d.style.display="block";
        d.appendChild(document.createTextNode(t));
        el.appendChild(d);
        }
    for(i=0;i<el.childNodes.length;i++){
        if(el.childNodes[i].nodeType==1){
            el.childNodes[i].style.borderLeft="1px solid "+bc;
            el.childNodes[i].style.borderRight="1px solid "+bc;
            }
        }
    }
el.passed=true;
}
    
function AddTop(el,bk,color,bc,cn){
var i,lim=4,d=CreateEl("b");

if(cn.indexOf("s")>=0) lim=2;
if(bc) d.className="artop";
else d.className="rtop";
d.style.backgroundColor=bk;
for(i=1;i<=lim;i++){
    var x=CreateEl("b");
    x.className=cn + i;
    x.style.backgroundColor=color;
    if(bc) x.style.borderColor=bc;
    d.appendChild(x);
    }
el.style.paddingTop=0;
el.insertBefore(d,el.firstChild);
}

function AddBottom(el,bk,color,bc,cn){
var i,lim=4,d=CreateEl("b");

if(cn.indexOf("s")>=0) lim=2;
if(bc) d.className="artop";
else d.className="rtop";
d.style.backgroundColor=bk;
for(i=lim;i>0;i--){
    var x=CreateEl("b");
    x.className=cn + i;
    x.style.backgroundColor=color;
    if(bc) x.style.borderColor=bc;
    d.appendChild(x);
    }
el.style.paddingBottom=0;
el.appendChild(d);
}

function CreateEl(x){
if(isXHTML) return(document.createElementNS('http://www.w3.org/1999/xhtml',x));
else return(document.createElement(x));
}

function getElementsBySelector(selector){
var i,selid="",selclass="",tag=selector,f,s=[],objlist=[];

if(selector.indexOf(" ")>0){  //descendant selector like "tag#id tag"
    s=selector.split(" ");
    var fs=s[0].split("#");
    if(fs.length==1) return(objlist);
    f=document.getElementById(fs[1]);
    if(f) return(f.getElementsByTagName(s[1]));
    return(objlist);
    }
if(selector.indexOf("#")>0){ //id selector like "tag#id"
    s=selector.split("#");
    tag=s[0];
    selid=s[1];
    }
if(selid!=""){
    f=document.getElementById(selid);
    if(f) objlist.push(f);
    return(objlist);
    }
if(selector.indexOf(".")>0){  //class selector like "tag.class"
    s=selector.split(".");
    tag=s[0];
    selclass=s[1];
    }
var v=document.getElementsByTagName(tag);  // tag selector like "tag"
if(selclass=="")
    return(v);
for(i=0;i<v.length;i++){
    if(v[i].className.indexOf(selclass)>=0){
        objlist.push(v[i]);
        }
    }
return(objlist);
}

function Mix(c1,c2){
var i,step1,step2,x,y,r=new Array(3);
if(c1.length==4)step1=1;
else step1=2;
if(c2.length==4) step2=1;
else step2=2;
for(i=0;i<3;i++){
    x=parseInt(c1.substr(1+step1*i,step1),16);
    if(step1==1) x=16*x+x;
    y=parseInt(c2.substr(1+step2*i,step2),16);
    if(step2==1) y=16*y+y;
    r[i]=Math.floor((x*50+y*50)/100);
    }
return("#"+r[0].toString(16)+r[1].toString(16)+r[2].toString(16));
}