function randomDRProblem(form) {
var theTA = (Math.round(Math.random()*2000)) + 1000;
var theTE = (Math.round(Math.random()*(theTA - 800))) + 500;
var theTD = theTA - theTE;
form.TAInput.value="" + theTA;
form.TDInput.value="" + theTD;
form.TEInput.value="" + theTE;
form.DROutput.value="";
form.DEOutput.value="";
form.EMOutput.value="";
}
function findDR(form) {
var theTA = form.TAInput.value;
if (!isPositiveNumber(theTA)) {
return false;
}
var theTD = form.TDInput.value;
if (!isPositiveNumber(theTD)) {
return false;
}
var theTE = form.TEInput.value;
if (!isPositiveNumber(theTE)) {
return false;
}
var theDR = theTD/theTA;
form.DROutput.value = "" + Math.round(theDR*10000)/100;
var theDE = theTD/theTE;
form.DEOutput.value = "" + Math.round(theDE*100)/100;
var theEM = theTA/theTE;
form.EMOutput.value = "" + Math.round(theEM*100)/100;
return true;
}
function calcDRHelp(form) {
var theTA = form.TAInput.value;
if (!isPositiveNumber(theTA)) {
return false;
}
var theTD = form.TDInput.value;
if (!isPositiveNumber(theTD)) {
return false;
}
var theTE = form.TEInput.value;
if (!isPositiveNumber(theTE)) {
return false;
}
var theDR = theTD/theTA;
var theAns = "" + Math.round(theDR*10000)/100;
var theDE = theTD/theTE;
var theAns1 = "" + Math.round(theDE*100)/100;
var theEM = theTA/theTE;
var theAns2 = "" + Math.round(theEM*100)/100;
var theStr = "Debt Management Ratio Help";
theStr += "Debt Ratio Help
";
theStr += "The Debt Ratio is calculated as follows:
";
theStr += drawFraction("Debt Ratio","Total Debt","Total Assets",theTD,theTA,theAns + "\%");
theStr += "Debt-Equity Ratio Help
";
theStr += "The Debt-Equity Ratio is calculated as follows:
";
theStr += drawFraction("Debt-Equity Ratio","Total Debt","Total Owners' Equity",theTD,theTE,theAns1);
theStr += "Equity Multiplier Help
";
theStr += "The Equity Multiplier is calculated as follows:
";
theStr += drawFraction("Equity Multiplier","Total Assets","Total Owners' Equity",theTA,theTE,theAns2);
theStr += "";
theStr += "";
theStr += ""
newWin = window.open("","","scrollbars,resizable,width=400,height=410");
if (newWin != null) {
newWin.document.write(theStr);
newWin.document.close();
newWin.focus();
}
return true;
}
function isPositiveNumber(inputStr) {
for (var i = 0; i < inputStr.length; i++) {
var oneChar = inputStr.substring(i,i+1);
if (((oneChar >= "0") && (oneChar <= "9")) || (oneChar == ".")) {
} else {
alert("Please make sure that only numbers are input.");
return false;
}
}
return true;
}
function drawFraction(inLHS,inNumFormula,inDenFormula,inNum,inDen,inAnswer) {
var theOut = "";
theOut += "| " + inLHS + " | ";
theOut += "= | ";
theOut += "" + inNumFormula + " | ";
theOut += "= | ";
theOut += "" + inNum + " | ";
theOut += "= | ";
theOut += "" + inAnswer + " | ";
theOut += "
";
theOut += "";
theOut += "
| ";
theOut += "
| ";
theOut += "
";
theOut += "";
theOut += "| " + inDenFormula + " | ";
theOut += "" + inDen + " | ";
theOut += "
";
return theOut;
}
function drawSimpleFraction(inNum,inDen) {
var theOut = "";
theOut += "| " + inNum + " |
";
theOut += "
|
";
theOut += "| " + inDen + " |
";
theOut += "
";
return theOut;
}