if(!iQ.Ajax){alert('iQAjax.js Not Loaded');};
if(!iQ.Utils){alert('iQUtils.js Not Loaded');};
YAHOO.util.Event.addListener(window,"load",function(){doCreateMortCalcForm()});

 


function doCreateMortCalcForm(){
 	objMortgage_Panel =
		new YAHOO.widget.Dialog("Mortgage_Panel",
			{	
				postmethod:"none",
				width:"400px",       
				disply:"table",
				visible:false,
				draggable:true,
				close:true,
				constraintoviewport:false,				
				fixedcenter:true,
				modal:true,
				zindex:300
			}
		);   
	objMortgage_Panel.setBody('<form name="loan" id="loan"><table border="0" cellpadding="0" cellspacing="1" width="100%"><tr><td valign="top" width="100%"><table width="380" cellpadding="0" cellspacing="1" border="0"><tr><td width="40%" align="right" height="25">Years:&nbsp;</td><td width="60%" align="left"><input type="text" name="YR" onchange="dosum()" size="6" value="30"></td></tr><tr><td width="40%" align="right" height="25">Loan Amount:&nbsp;</td><td width="60%" align="left"><input type="text" name="LA" onchange="dotax();dosum()" size="6" value="200000"></td></tr><tr><td width="40%" align="right" height="25">Annual Insurance:&nbsp;</td><td width="60%" align="left"><input type="text" name="AI" onchange="dosum()" size="6" value="300"></td></tr><tr><td width="40%" align="right" height="25">Interest Rate:&nbsp;</td><td width="60%" align="left"><input type="text" name="IR" onchange="dosum()" size="6" value="6.0"></td></tr><tr><td width="40%" align="right" height="25">Annual Tax:&nbsp;</td><td width="60%" align="left"><input type="text" name="AT" onchange="dosum()" size="6" value="1000"></td></tr><tr><td width="40%" align="right" height="25">Monthly HOA:&nbsp;</td><td width="60%" align="left"><input type="text" name="HOA" onchange="dosum()" size="6" value="36"></td></tr></table></td></tr><tr><td valign="top" width="100%" height="20"><table border="0" cellpadding="0" cellspacing="0" width="100%" class="Header"><tr> <td align="left"><strong>Results</strong><div style="width:100%;background-color:#CCC;height:1px;margin:0 0 10px 0"></div></td> </tr></table></td></tr><tr><td valign="top" width="100%"><table width="380" cellpadding="0" cellspacing="1" border="0"><tr><td width="50%" align="right" height="25">Monthly Principal + Interest:&nbsp;</td><td width="50%" align="left"><input type="text" name="PI" size="10"></td></tr><tr><td width="50%" align="right" height="25">Monthly Tax:&nbsp;</td><td width="50%" align="left"><input class="Form_Field" type="text" name="MT" size="10"></td></tr><tr><td width="50%" align="right" height="25">Monthly Ins:&nbsp;</td><td width="50%" align="left"><input class="Form_Field" type="text" name="MI" size="10"></td></tr><tr><td width="50%" align="right" height="25">Monthly HOA:&nbsp;</td><td width="50%" align="left"><input class="Form_Field" type="text" name="MHOA" size="10"></td></tr><tr><td width="50%" align="right" height="25">Total Payment:&nbsp;</td><td width="50%" align="left"><input class="Form_Field" type="text" name="MP" size="10"></td></tr></table><table width="100%" border="0"><tr><td valign="top" width="50%" align="right"> <button style="margin:10px 0 10px 10px;float:right;" onclick="onCancel()">Cancel</button><button style="margin:10px 0 10px 0;float:right"" onclick="dosum();return false;">Calculate</button></td></tr></table><table border="0" cellpadding="5" cellspacing="0" align="right" width="100%"><tr><td width="100%"><p style="float:left;margin:10px 0 0 0">The information provided here is intended to be used as a guideline and may not reflect the actual payments.</p></td></tr></table></td></tr></table></form>');
	objMortgage_Panel.setHeader('Mortgage Calculator')
	objMortgage_Panel.render(document.body);
}
 
function doMortCalc(ListPrice){
	document.loan.LA.value = ListPrice;
	document.loan.YR.value = 30;
	document.loan.IR.value="6.0";
	document.loan.AT.value = 1000;
	document.loan.AI.value = 300;
	document.loan.HOA.value = 36;
	objMortgage_Panel.show();
	dosum();
}

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

function dotax(){
	document.loan.AT.value = floor(document.loan.LA.value * .01);
}

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

function onCancel(){
 	objMortgage_Panel.hide();
}