Savings Calculator

// JavaScript Document function em() { P=form.text_1.value; G=form.text_2.value; T=form.text_3.value; C=form.text_4.value; if(form.text_1.value.length=="") { window.alert("Cost of Petro/Litre"); form.text_1.focus() } else if(form.text_2.value.length=="") { window.alert("Cost of LPG/Litre"); form.text_2.focus() } else if(form.text_3.value.length=="") { window.alert("Current Weekly Spend"); form.text_3.focus() } else if(form.text_4.value.length=="") { window.alert("Conversion fee"); form.text_4.focus() } else { S=(P-G) S2=(S/P)*100 TOT1=(S2*T)/100 TOT2=Math.round(TOT1) TOT3=Math.round(TOT1*4) TOT4=Math.round(TOT1*4*12) config='toolbar=no,location=no,directories=no,status=no,menubar=no,width=600,height=300' config += 'scrollbars=no,resizable=no' pop = window.open ("","pop",config) //pop=window.open("","displayWindow","menubar=NO",'width=300,height=400') //pop.document.write("") //pop.document.write('setTimeout('); //pop.document.write('"self.close()'); //pop.document.write(';",99000)'); pop.document.write("Savings Calculator") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") MT=TOT2*4 M=C/MT M1=Math.round(M) pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("") pop.document.write("

Based on: Cost of petrol/Litre : Rs ")+pop.document.write(P)+pop.document.write("

Cost of LPG/Litre : Rs ")+pop.document.write(G)+pop.document.write("

Current Weekly Spend : Rs ")+pop.document.write(T)+pop.document.write("

Weekly Savings : Rs ")+pop.document.write(TOT2)+pop.document.write("

Monthly Savings : Rs ")+pop.document.write(TOT3)+pop.document.write("

Annual Savings : Rs ")+pop.document.write(TOT4)+pop.document.write("

Conversion fee : Rs ")+pop.document.write(C)+pop.document.write("

Months of cover Your Conversion free : ")+pop.document.write(M1)+pop.document.write("

") form.text_1.value=""; form.text_2.value=""; form.text_3.value=""; form.text_4.value=""; } //setTimeout(self.close(), 99000) }