/*****************************************************************************************
 * DESC:    Code to update quantities on the approval tool
 * DATE:    12/22/2008
 * BY:      Consolidated Marketing Services 
 *          Ed Orsini 
 ****************************************************************************************/

	function fieldChanged (icn) {
	  // set changed flag to TRUE
		document.getElementById('changed').value = 'true';
		
		// define and initialize variables
		tax = 0;
		//shipping = 0;
		price = document.getElementById( 'price' + icn ).value;
		quantity = document.getElementById ( 'quan' + icn ).value;
		delcheck = document.getElementById ( 'del' + icn );
		tax = document.getElementById ( 'taxtotal' ).value;
		shipping = document.getElementById ( 'shippingtotal' ).value;
		//alert(shipping);
		
		// if deleted is checked
		if ( delcheck.checked ) {
			document.getElementById ( 'total' + icn ).value = 0.00;
		}
		// if the quantity changed
		else {
			document.getElementById ( 'total' + icn ).value = toUSCurrency(quantity * price);
		}
		
		// specifies the form in order to manipulate the elements
		elements = document.forms['orderdtl'].elements;
		
		// whole order sum
		sum = 0.00;
		for ( i = 0; i < elements.length; i++ ) {
			field = elements[i];
			
			if ( field.id.substring(0, 5) == 'total' ) {
				sum = (parseFloat(field.value) + sum);
			}
		}
		
		document.getElementById ( 'abstotal' ).value = toUSCurrency( sum ); // Order Cost
    //document.getElementById ( 'taxtotal' ).value = sum;  // Tax Total
		//document.getElementById ( 'shippingtotal' ).value = sum;  // Shipping Total
		document.getElementById ( 'completetotal' ).value = toUSCurrency((sum * 1) + (tax * 1) + (shipping * 1)); // Complete Total
		
	}
	
	function updateTotal () {
	 
		// define and initialize variables
		price = document.getElementById( 'price' + icn ).value;
		quantity = document.getElementById ( 'quan' + icn ).value;
		delcheck = document.getElementById ( 'del' + icn );
		tax = document.getElementById ( 'taxtotal' ).value;
		shipping = document.getElementById ( 'shippingtotal' ).value;
		
		// specifies the form in order to manipulate the elements
		elements = document.forms['orderdtl'].elements;
		
		// whole order sum
		sum = 0.00;
		for ( i = 0; i < elements.length; i++ ) {
			field = elements[i];
			
			if ( field.id.substring(0, 5) == 'total' ) {
				sum = (parseFloat(field.value) + sum);
			}
		}
		
		document.getElementById ( 'abstotal' ).value = toUSCurrency( sum ); // Order Cost
		document.getElementById ( 'completetotal' ).value = toUSCurrency((sum * 1) + (tax * 1) + (shipping * 1)); // Complete Total
	}
	
  function toUSCurrency (input) {
	// Make sure input is a string:
	input += "";

	// Keep original copy of input string:
	var original_input = input;

	// Strip leading dollar sign if necessary:
	if (input . charAt (0) == "$")
		input = input . substring (1, input . length);
	else if
	(
		input . substring (0, 2) == "-$"
	||	input . substring (0, 2) == "+$"
	)
		input = input . charAt (0) + input . substring (2, input . length);

	// Get float value:
	var amount = parseFloat (input);

	// Return unmodified input if we weren't able to convert it:
	if (isNaN (amount))
		return original_input;


	// Express amount in pennies, rounded to the nearest penny:
	amount = Math . round (100 * amount);

	// Prepare to add a US currency prefix:
	var prefix = "$";
	if (amount < 0)
	{
		prefix = "-" + prefix;
		amount = - amount;
	}

	// Convert amount to string and pad with leading zeros if necessary:
	var string;
	if (amount < 10)
		string = "00" + amount;
	else if (amount < 100)
		string = "0" + amount;
	else
		string = "" + amount;

	// Insert prefix:
	//string = prefix + string; // taken off so that I can calculate

	// Insert decimal point before last two digits:
	string =
		string . substring (0, string . length - 2) +
		"." +
		string . substring (string . length - 2, string . length);

	// Return formatted currency string:
	return string;
}