// Multiple file selector by Stickman -- http://www.the-stickman.com
// with thanks to: [for Safari fixes] Luis Torrefranca -- http://www.law.pitt.edu and Shawn Parker & John Pennypacker -- http://www.fuzzycoconut.com [for duplicate name bug] 'neal'
function MultiSelector( list_target, max ){
    this.list_target = list_target;
    this.count = 0;
    this.id = 0;
    if( max ){
        this.max = max;
    }else{
        this.max = -1;
    };
    this.addElement = function( element ){
        if( element.tagName == 'INPUT' && element.type == 'file' ){
            element.name = 'file_' + this.id++;
            element.multi_selector = this;
            element.className = 'file';
            element.onchange = function(){
                var new_element = document.createElement( 'input' );
                new_element.type = 'file';
                this.parentNode.insertBefore( new_element, this );
                this.multi_selector.addElement( new_element );
                this.multi_selector.addListRow( this );
                this.style.position = 'absolute';
                this.style.left = '-1000px';
                };
            if( this.max != -1 && this.count >= this.max ){
                element.disabled = true;
            };
            this.count++;
            this.current_element = element;
        }else{
            alert( 'Error: not a file input element' );
        };
    };
    this.addListRow = function( element ){
        var new_row = document.createElement( 'div' );
        var new_row_button = document.createElement( 'input' );
        new_row_button.type = 'button';
        new_row_button.value = '-';
        new_row.element = element;
        new_row_button.onclick= function(){
            this.parentNode.element.parentNode.removeChild( this.parentNode.element );
            this.parentNode.parentNode.removeChild( this.parentNode );
            this.parentNode.element.multi_selector.count--;
            this.parentNode.element.multi_selector.current_element.disabled = false;
            return false;
            };
        //new_row.innerHTML = element.value;
        var col_array=element.value.split("\\");
        var part_num=0;
        while (part_num < col_array.length)
         {
          var attels = col_array[part_num];
          part_num+=1;
          }


        new_row.innerHTML = attels;
        new_row.appendChild( new_row_button );
        this.list_target.appendChild( new_row );
    };
};

function Morgcal(){
	form = document.calculator
	LoanAmount= form.LoanAmount.value

	DownPayment= "0"
	InitialDownPayment= form.DownPay.value
	AnnualInterestRate = form.InterestRate.value/100
	Years= form.NumberOfYears.value
	MonthRate=AnnualInterestRate/12
	NumPayments=Years

    Prin=LoanAmount-InitialDownPayment

    a = Years

    MonthPayment = Math.floor((((Prin*Math.pow((1+MonthRate),a)*MonthRate)/(Math.pow(1+MonthRate,a)-1)))*100)/100

    TotalPInterest = Math.floor(MonthPayment*NumPayments-Prin)

	document.calculator.TotalPayInterest.value=TotalPInterest
	document.calculator.MonthlyPayment.value=MonthPayment
}