// JavaScript Document
var selected_tab ;

function searchImageSwap (page,img,ID,state){
		
  eval("document." +page+ ".src='" +img+ "'");
  
  
 if(document.layers)	 //NN4+
    {
       document.layers[ID].visibility = state ? "show" : "hide";
    }
    else if(document.getElementById)  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(ID);
        obj.style.visibility = state ? "visible" : "hidden";
    }
    else if(document.all)// IE 4
    {
        document.all[ID].style.visibility = state ? "visible" : "hidden";
    }
  
}

function SwapImage(page,state) {
  eval("document." +page+ ".src='/images/btn_" +page+ "_" +state+ ".gif'");
}

function SwapTabImage(tab,state){
	if(selected_tab != tab){
		eval("document.tab_" +tab+ ".src='/images/tab_" +tab+ "_" +state+ ".gif'");
		
	}
}


function setTab(tab) {
	selected_tab = tab;

 switch(tab){
  case "siteplan":
  	 if(document.tab_siteplan){ eval("document.tab_siteplan.src='/images/tab_siteplan_on.gif'");}
	 if(document.tab_1st_Floor){ eval("document.tab_1st_Floor.src='/images/tab_1st_Floor_off.gif'");}
	 if(document.tab_2nd_Floor){ eval("document.tab_2nd_Floor.src='/images/tab_2nd_Floor_off.gif'");}
	 if(document.tab_Alt_1){ eval("document.tab_Alt_1.src='/images/tab_Alt_1_off.gif'");}
	 if(document.tab_Alt_2){ eval("document.tab_Alt_2.src='/images/tab_Alt_2_off.gif'");}
  break;
  case "1st_Floor":
     if(document.tab_siteplan){ eval("document.tab_siteplan.src='/images/tab_siteplan_off.gif'");}
  	 if(document.tab_1st_Floor){eval("document.tab_1st_Floor.src='/images/tab_1st_Floor_on.gif'");}
	 if(document.tab_2nd_Floor){ eval("document.tab_2nd_Floor.src='/images/tab_2nd_Floor_off.gif'"); }
	 if(document.tab_Alt_1){ eval("document.tab_Alt_1.src='/images/tab_Alt_1_off.gif'");}
	 if(document.tab_Alt_2){ eval("document.tab_Alt_2.src='/images/tab_Alt_2_off.gif'");}
  break;
  case "2nd_Floor":
  	 if(document.tab_siteplan){ eval("document.tab_siteplan.src='/images/tab_siteplan_off.gif'");}
  	 if(document.tab_1st_Floor){eval("document.tab_1st_Floor.src='/images/tab_1st_Floor_off.gif'");}
	 if(document.tab_2nd_Floor){ eval("document.tab_2nd_Floor.src='/images/tab_2nd_Floor_on.gif'");}
	 if(document.tab_Alt_1){ eval("document.tab_Alt_1.src='/images/tab_Alt_1_off.gif'");}
	 if(document.tab_Alt_2){ eval("document.tab_Alt_2.src='/images/tab_Alt_2_off.gif'");}
  
  break;
  case "Alt_1":
  	if(document.tab_siteplan){  eval("document.tab_siteplan.src='/images/tab_siteplan_off.gif'");}
  	 if(document.tab_1st_Floor){eval("document.tab_1st_Floor.src='/images/tab_1st_Floor_off.gif'");}
	 if(document.tab_2nd_Floor){eval("document.tab_2nd_Floor.src='/images/tab_2nd_Floor_off.gif'");}
	 if(document.tab_Alt_1){ eval("document.tab_Alt_1.src='/images/tab_Alt_1_on.gif'");}
	 if(document.tab_Alt_2){ eval("document.tab_Alt_2.src='/images/tab_Alt_2_off.gif'");}
  break;
   case "Alt_2":
   	 if(document.tab_siteplan){eval("document.tab_siteplan.src='/images/tab_siteplan_off.gif'");}
  	 if(document.tab_1st_Floor){eval("document.tab_1st_Floor.src='/images/tab_1st_Floor_off.gif'");}
	 if(document.tab_2nd_Floor){eval("document.tab_2nd_Floor.src='/images/tab_2nd_Floor_off.gif'");}
	 if(document.tab_Alt_1){ eval("document.tab_Alt_1.src='/images/tab_Alt_1_off.gif'");}
	 if(document.tab_Alt_2){ eval("document.tab_Alt_2.src='/images/tab_Alt_2_on.gif'");}
  break;
  
 }
  
}

function HighLiteRow(row, img,form)
{
	var img_num = document.getElementsByName("orange_arrow");
	document.getElementById(row).style.background="url('"+img+"')";
	
	/*for ( var i = 0; i < img_num.length; i++) {
		eval("document."+form+".orange_arrow["+i+"].src='/images/orange_arrow3_grey.gif'");
	}*/
}

function DeHighLiteRow(row, img,form)
{
  	var img_num = document.getElementsByName("orange_arrow");
 	/*document.getElementById(row).style.background="url('"+img+"')";
	document.getElementById(row).style.backgroundPosition = "bottom";*/
	
		document.getElementById(row).style.background="url('/images/search_background.gif')";
		document.getElementById(row).style.backgroundRepeat="repeat-x";
		document.getElementById(row).style.backgroundPosition="bottom";
		document.getElementById(row).style.backgroundColor="#e7e6e2";

	
  	/*for ( var i = 0; i < img_num.length; i++) {
		eval("document."+form+".orange_arrow["+i+"].src='/images/orange_arrow3.gif'");
	}*/
}

function showImage(img){
	eval("document.main_img.src ='" +img+ "'"); 
	return false;
	
}
function showFloorImage(img){
	eval("document.floor_image.src ='" +img+ "'"); 
	return false;
	
}
function showMe(DivID){
	var obj = document.getElementById(DivID);
        obj.style.visibility =  "visible";
		
	}

function toggleFlash(a,state){
	// 1 visible, 0 hidden
	
	if(document.layers)	 //NN4+
    {
       document.layers[a].visibility = state ? "show" : "hide";
    }
    else if(document.getElementById)  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(a);
        obj.style.visibility = state ? "visible" : "hidden";
    }
    else if(document.all)// IE 4
    {
        document.all[a].style.visibility = state ? "visible" : "hidden";
    }
	
}

function toggleLayer(a,state){
	// 1 visible, 0 hidden
	
	document.thumb_form.main_img_large.src= document.thumb_form.selected_img.value;
	document.thumb_form.floor_img_large.src = document.thumb_form.selected_floor_img.value;
	
	//alert(document.thumb_form.selected_img.value);
	
	
		
	if(document.layers)	 //NN4+
    {
       document.layers[a].visibility = state ? "show" : "hide";
    }
    else if(document.getElementById)  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(a);
        obj.style.visibility = state ? "visible" : "hidden";
    }
    else if(document.all)// IE 4
    {
        document.all[a].style.visibility = state ? "visible" : "hidden";
    }
	
}

function toggleLayer2(a,state){
	// 1 visible, 0 hidden
	document.getElementById('advanced_table').style.backgroundImage = 	"url('')";
	document.getElementById('advanced_table2').style.backgroundImage = 	"url('/images/find_main_background2.jpg')";
	
	if(document.layers)	 //NN4+
    {
       document.layers[a].visibility = state ? "show" : "hide";
    }
    else if(document.getElementById)  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(a);
        obj.style.visibility = state ? "visible" : "hidden";
    }
    else if(document.all)// IE 4
    {
        document.all[a].style.visibility = state ? "visible" : "hidden";
    }
	
}

function toggleMap(a,state){
	// 1 visible, 0 hidden
			
	if(document.layers)	 //NN4+
    {
       document.layers[a].visibility = state ? "show" : "hide";
    }
    else if(document.getElementById)  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(a);
        obj.style.visibility = state ? "visible" : "hidden";
    }
    else if(document.all)// IE 4
    {
        document.all[a].style.visibility = state ? "visible" : "hidden";
    }
	
}
function emailSignUp(){
thereturn =true;
	
	
	if(document.email_form.name.value == ""){
		alert("Please enter your name.");
	thereturn =false;
	}
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(document.email_form.email.value)){
	thereturn =true;
	}
	else{
		alert("Invalid Email Address! Please re-enter.");
	thereturn =false;
	}
return thereturn;
	
}

function floor(number)
{
  return Math.floor(number*Math.pow(10,2))/Math.pow(10,2);
}

function dosum()
{
  var mi = document.temps.IR.value / 1200;
  var base = 1;
  var mbase = 1 + mi;
  for (i=0; i<document.temps.YR.value * 12; i++)
  {
    base = base * mbase
  }
  
  document.getElementById('PI').innerHTML = "$" + floor(document.temps.LA.value * mi / ( 1 - (1/base)))
  document.getElementById('MT').innerHTML = "$" + floor(document.temps.AT.value / 12)
  document.getElementById('MI').innerHTML = "$" + floor(document.temps.AI.value / 12)
  var dasum = document.temps.LA.value * mi / ( 1 - (1/base)) +
	document.temps.AT.value / 12 +
	document.temps.AI.value / 12;
  document.getElementById('MP').innerHTML = "$" + floor(dasum);
}