Code:
function getCurrentDateString(checkBox, inputName){
	if(checkBox.checked == true){
		var inputBox = eval("document.PortfolioInquiryChange."+inputName);
		if(inputBox.value==""){
			var dateobj= new Date();
 			var month = dateobj.getMonth();
 			var day = dateobj.getDate();
 			var year = dateobj.getFullYear();
			inputBox.value= day + "/" + month + "/" + year;
...