function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function KW_getVal(o){ //v1.2
	var retVal="0";if (o.type=="select-one")
	{retVal=(o.selectedIndex==-1)?0:o.options[o.selectedIndex].value;}
	else if (o.length>1){for (var i=0;i<o.length;i++) if (o[i].checked) retVal=o[i].value;
	} else if (o.type=="checkbox") {retVal=(o.checked)?o.value:0;} else {
	retVal=Number(o.value)}return parseFloat(retVal);
}

function KW_calcForm() { //v1.2
	var str="",a=KW_calcForm.arguments; for (var i=3;i<a.length;i++)
	str+=(a[i].indexOf("#")==-1)?a[i]:KW_getVal(MM_findObj(a[i].substring(1)));
	t=Math.round(a[1]*eval(str))/a[1];tS=t.toString();if(a[2]>0){tSp=tS.indexOf(".");
	if(tSp==-1)	tS+=".";tSp=tS.indexOf(".");while(tSp!=(tS.length-1-a[2])){tS+="0";
	tSp=tS.indexOf(".");}} MM_findObj(a[0]).value=tS;
}


function calcPayment() {
	try{
    	KW_calcForm('sum1',1,-1,'#cc_debt','+','#unsec_debt');
    	KW_calcForm('amount_1',1,-1,'#sum1','*','0.01');
    	KW_calcForm('amount_2',1,-1,'#sum1','*','0.019');
    	KW_calcForm('amount_3',1,-1,'#sum1','*','0.025');
	}catch(e){
	}
}

function calcPaymentUC() {
	try{
    	KW_calcForm('SUM1',1,-1,'#CC_DEBT','+','#UNSEC_DEBT');
    	KW_calcForm('AMOUNT_1',1,-1,'#SUM1','*','0.01');
    	KW_calcForm('AMOUNT_2',1,-1,'#SUM1','*','0.019');
    	KW_calcForm('AMOUNT_3',1,-1,'#SUM1','*','0.025');
	}catch(e){
	}
}



function onAffordChange(affordPayCtrl, child1, child2, parent1, parent2) {
	// There is nothing to do.
	if ( affordPayCtrl.value == null )
		return;

	var isYes = affordPayCtrl.value.toUpperCase() == "YES"; 
	
	if ( !isYes ){
		markSelectOption(child1, "no");
		markSelectOption(child2, "no");
	}

	if ( isYes ){
		markSelectOption(parent1, "yes" );
		markSelectOption(parent2, "yes" );
	}

}

function markSelectOption(sel, value) {
	if ( sel == null )
		return;
		
		sel.value = value 
}