function calc1(form) {
if(form.name.value=="")
{
alert('Introduceti pretul intreg al bunului ce doriti sa-l cumparati in leasing.');
form.name.focus();
return(false);
}
if(form.name2.value=="")
{
form.name2.value = Math.round(form.name.value*form.avans.value/100);
}
form.avans.value = Math.round(form.name2.value*100/form.name.value);
form.name22.value =Math.round(form.name.value-form.name2.value)
form.name3.value=Math.round(form.name.value*4.7/100);
form.name33.value=Math.round(form.name.value*1.5/100);
form.name333.value=Math.round(form.name2.value-(-form.name3.value)-(-form.name33.value));
calc2(form)
}

function calc2(form){
var p
var u
if(form.name.value=="")
{
alert('Introduceti pretul intreg al bunului ce doriti sa-l cumparati in leasing.');
form.name.focus();
return(false);
}
p= form.srok.value*Math.log(1+0.16/12)
u= Math.round(form.name22.value*0.16/(12*(1-1/Math.exp(p))))
form.name222.value = u-(-1)
}


function calc3(form) {
if(form.name.value=="")
{
alert('Внесите начальную стоймость.');
form.name.focus();
return(false);
}
form.name2.value = Math.round(form.name.value*form.avans.value/100);
if(form.name2.value=="")
{
form.name2.value = Math.round(form.name.value*form.avans.value/100);
}
form.avans.value = Math.round(form.name2.value*100/form.name.value);
form.name22.value =Math.round(form.name.value-form.name2.value)
form.name3.value=Math.round(form.name.value*4.7/100);
form.name33.value=Math.round(form.name.value*1.5/100);
form.name333.value=Math.round(form.name2.value-(-form.name3.value)-(-form.name33.value));
calc4(form)
}

function calc4(form){
var p
var u
if(form.name.value=="")
{
alert('Внесите начальную стоймость.');
form.name.focus();
return(false);
}
p= form.srok.value*Math.log(1+0.16/12)
u= Math.round(form.name22.value*0.16/(12*(1-1/Math.exp(p))))
form.name222.value = u-(-1)
}

function calc5(form) {
if(form.name.value=="")
{
alert('Please, input the Acquisition value.');
form.name.focus();
return(false);
}
form.name2.value = Math.round(form.name.value*form.avans.value/100);
form.name22.value =Math.round(form.name.value-form.name2.value)
calc6(form)
}

function calc6(form){
var p
var u
if(form.name.value=="")
{
alert('Please, input the Acquisition value.');
form.name.focus();
return(false);
}
p= form.srok.value*Math.log(1+0.16/12)
u= Math.round(form.name22.value*0.16/(12*(1-1/Math.exp(p))))
form.name222.value = u-(-1)
}