<!--
	var CurOp="+";	// current operator
	var CurTot=0;		// current total
	var CurNum="";	// current contents of textbox
	function CalcNum(NewNum) {
		CurNum += NewNum;	
		document.calcform.displaytext.value=CurNum;
		if (CurOp=="") {	//checks that equals has not just been pressed
			CurTot=0;	//reset total
			CurOp="+";
		}
	}
	
	function CalcSavings(NewNum) {
		CurNum = NewNum;	
		CurTot=eval(parseFloat(document.calcform2.homeprice.value) * 0.06);
		CurTot = (parseFloat(CurTot) * 1).toFixed(0);
		CoopTot=eval(parseFloat(document.calcform2.homeprice.value) * 0.025);
		CoopTot = (parseFloat(CoopTot) * 1).toFixed(0);
		ListingTot = eval((parseFloat(document.calcform2.homeprice.value) * 0.025) + 350);
		ListingTot = (parseFloat(ListingTot) * 1).toFixed(0);
		Savings = eval (CurTot - 350 - CoopTot);
		document.calcform2.fullcommission1.value=CurTot; //display it
		document.calcform2.fullcommission2.value=CurTot; //display it
		document.calcform2.coopfee.value=CoopTot; //display it
		document.calcform2.savings.value=Savings; //display it
		document.calcform2.listingtot1.value=ListingTot; //display it
	}
	function ChangeOp(NewOp) {	// calculate total then change current operator
		if (CurOp != "") {
			CurTot=eval(CurTot + CurOp + parseFloat(CurNum)); //perform operation
			CurNum="";	// clear it
			document.calcform.displaytext.value=CurTot; //display it
		}
		CurOp=NewOp; //change operation
	}
	function ChngSign() {	// multiply by -1
		if (CurNum != "") {
			CurNum = (parseFloat(CurNum) * -1).toString();
		}
		else {
			CurNum = "-";
		}
		document.calcform.displaytext.value=CurNum;
	}
	function CalcTot() {		// calculate total
		if (CurOp != "") {
			CurTot=eval(CurTot + CurOp + parseFloat(CurNum));
			CurNum="";
			CurOp="";
			document.calcform.displaytext.value=CurTot;
		}
	}
	function CalcClear() {	// clear everything
		CurOp="";
		CurNum="";
		CurTot="";
		document.calcform2.homeprice.value="0";
		document.calcform2.fullcommission1.value="0";
		document.calcform2.fullcommission2.value="0";
		document.calcform2.coopfee.value="0";
		document.calcform2.savings.value="0";
		document.calcform2.listingtot1.value="0";
	}
//-->