// JavaScript Document



// ---start area calculator ----

refno=/^\d+(\.\d+)?$/;
function isNumeric(n) {
   var IsNumber=true;
if (refno.test(n.value))
	  return IsNumber;
	  
else {
alert('Please enter numbers only, in the Height and Width boxes!');
n.value = "";
		
	}
}
function calc(n){
isNumeric(n);
var area =0;

var itemName2 = document.getElementById('itemname2').value
var itemName3 = document.getElementById('itemname3').value
var type1 = document.getElementById('type1').value

if (itemName3 > 120) alert('Maximum width for a single sheet is 120cm, if you require a wider sheet please call for more information');
area=Math.round(itemName2*itemName3*10)/10;


if (area >= 1 && area <=49 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=6;
 document.getElementById('salePriceDisplay').innerHTML=4.80;
 document.getElementById('price').value=4.80;
} 
if (area >= 1 && area <=49 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=9;
 document.getElementById('salePriceDisplay').innerHTML=7.20;
 document.getElementById('price').value=7.20;
}
if (area >=50 && area <=99 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=6;
 document.getElementById('salePriceDisplay').innerHTML=4.80;
 document.getElementById('price').value=4.80;
} 
if (area >=50 && area <=99 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=9;
 document.getElementById('salePriceDisplay').innerHTML=7.20;
 document.getElementById('price').value=7.20;
}
if (area >= 100 && area <=199 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=6;
 document.getElementById('salePriceDisplay').innerHTML=4.80;
 document.getElementById('price').value=4.80;
} 
if (area >= 100 && area <=199 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=9;
 document.getElementById('salePriceDisplay').innerHTML=7.20;
 document.getElementById('price').value=7.20;
}
if (area >= 200 && area <=299 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=6;
 document.getElementById('salePriceDisplay').innerHTML=4.80;
 document.getElementById('price').value=4.80;
} 
if (area >= 200 && area <=299 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=9;
 document.getElementById('salePriceDisplay').innerHTML=7.20;
 document.getElementById('price').value=7.20;
}
if (area >= 300 && area <=399 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=7;
 document.getElementById('salePriceDisplay').innerHTML=5.60;
 document.getElementById('price').value=5.60;
} 
if (area >= 300 && area <=399 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=9;
 document.getElementById('salePriceDisplay').innerHTML=7.20;
 document.getElementById('price').value=7.20;
}
if (area >= 400 && area <=499 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=8;
 document.getElementById('salePriceDisplay').innerHTML=6.40;
 document.getElementById('price').value=6.40;
} 
if (area >= 400 && area <=499 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=13;
 document.getElementById('salePriceDisplay').innerHTML=10.04;
 document.getElementById('price').value=10.04;
}
if (area >= 500 && area <=699 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=9;
 document.getElementById('salePriceDisplay').innerHTML=7.20;
 document.getElementById('price').value=7.20;
} 
if (area >= 500 && area <=699 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=13;
 document.getElementById('salePriceDisplay').innerHTML=10.04;
 document.getElementById('price').value=10.04;
}
if (area >= 700 && area <=899 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=12;
 document.getElementById('salePriceDisplay').innerHTML=9.60;
 document.getElementById('price').value=9.60;
} 
if (area >= 700 && area <=899 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=13;
 document.getElementById('salePriceDisplay').innerHTML=10.04;
 document.getElementById('price').value=10.04;
}
if (area >= 900 && area <=1574 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=16;
 document.getElementById('salePriceDisplay').innerHTML=12.80;
 document.getElementById('price').value=12.80;
} 
if (area >= 900 && area <=1574 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=19;
 document.getElementById('salePriceDisplay').innerHTML=15.20;
 document.getElementById('price').value=15.20;
}
if (area >= 1575 && area <=2499 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=18;
 document.getElementById('salePriceDisplay').innerHTML=14.40;
 document.getElementById('price').value=14.40;
} 
if (area >= 1575 && area <=2499 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=26;
 document.getElementById('salePriceDisplay').innerHTML=20.08;
 document.getElementById('price').value=20.08;
}
if (area >= 2500 && area <=3299 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=21;
 document.getElementById('salePriceDisplay').innerHTML=16.80;
 document.getElementById('price').value=16.80;
} 
if (area >= 2500 && area <=3299 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=28;
 document.getElementById('salePriceDisplay').innerHTML=22.40;
 document.getElementById('price').value=22.40;
}
if (area >= 3300 && area <=3599 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=25;
 document.getElementById('salePriceDisplay').innerHTML=20;
 document.getElementById('price').value=20;
} 
if (area >= 3300 && area <=3599 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=32;
 document.getElementById('salePriceDisplay').innerHTML=25.60;
 document.getElementById('price').value=25.60;
}
if (area >= 3600 && area <=4899 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=30;
 document.getElementById('salePriceDisplay').innerHTML=24;
 document.getElementById('price').value=24;
} 
if (area >= 3600 && area <=4899 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=37;
 document.getElementById('salePriceDisplay').innerHTML=29.60;
 document.getElementById('price').value=29.60;
}
if (area >= 4900 && area <=6399 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=38;
 document.getElementById('salePriceDisplay').innerHTML=30.40;
 document.getElementById('price').value=30.40;
} 
if (area >= 4900 && area <=6399 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=41;
 document.getElementById('salePriceDisplay').innerHTML=32.80;
 document.getElementById('price').value=32.80;
}
if (area >= 6400 && area <=8099 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=41;
 document.getElementById('salePriceDisplay').innerHTML=32.80;
 document.getElementById('price').value=32.80;
} 
if (area >= 6400 && area <=8099 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=51;
 document.getElementById('salePriceDisplay').innerHTML=40.80;
 document.getElementById('price').value=40.80;
}
if (area >= 8100 && area <=10999 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=53;
 document.getElementById('salePriceDisplay').innerHTML=42.40;
 document.getElementById('price').value=42.40;
} 
if (area >= 8100 && area <=10999 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=66;
 document.getElementById('salePriceDisplay').innerHTML=52.80;
 document.getElementById('price').value=52.80;
}
if (area >= 11000 && area <=14299 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=61;
 document.getElementById('salePriceDisplay').innerHTML=48.80;
 document.getElementById('price').value=48.80;
} 
if (area >= 11000 && area <=14299 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=64;
 document.getElementById('salePriceDisplay').innerHTML=51.20;
 document.getElementById('price').value=51.20;
}
if (area >= 14300 && area <=19799 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=72;
 document.getElementById('salePriceDisplay').innerHTML=57.60;
 document.getElementById('price').value=57.60;
} 
if (area >= 14300 && area <=19799 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=79;
 document.getElementById('salePriceDisplay').innerHTML=63.20;
 document.getElementById('price').value=63.20;
}
if (area >= 19800 && area <=21599 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=87;
 document.getElementById('salePriceDisplay').innerHTML=69.60;
 document.getElementById('price').value=69.60;
} 
if (area >= 19800 && area <=21599 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=91;
 document.getElementById('salePriceDisplay').innerHTML=72.80;
 document.getElementById('price').value=72.80;
}
if (area >= 21600 && area <=23999 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=96;
 document.getElementById('salePriceDisplay').innerHTML=76.80;
 document.getElementById('price').value=76.80;
} 
if (area >= 21600 && area <=23999 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=102;
 document.getElementById('salePriceDisplay').innerHTML=81.60;
 document.getElementById('price').value=81.60;
}
if (area >= 24000 && area <=26399 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=105;
 document.getElementById('salePriceDisplay').innerHTML=84;
 document.getElementById('price').value=84;
} 
if (area >= 24000 && area <=26399 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=110;
 document.getElementById('salePriceDisplay').innerHTML=88;
 document.getElementById('price').value=88;
}
if (area >= 26400 && area <=28799 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=115;
 document.getElementById('salePriceDisplay').innerHTML=92;
 document.getElementById('price').value=92;
} 
if (area >= 26400 && area <=28799 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=125;
 document.getElementById('salePriceDisplay').innerHTML=100;
 document.getElementById('price').value=100;
}
if (area >= 28800 && area <=30000 && type1 == "plain") {
 document.getElementById('priceDisplay').innerHTML=120;
 document.getElementById('salePriceDisplay').innerHTML=96;
 document.getElementById('price').value=96;
} 
if (area >= 28800 && area <=30000 && type1 == "design") {
 document.getElementById('priceDisplay').innerHTML=145;
 document.getElementById('salePriceDisplay').innerHTML=116;
 document.getElementById('price').value=116;
}
if (area >= 30001) {
 n.value = "";
 document.getElementById('priceDisplay').innerHTML="na";
 document.getElementById('salePriceDisplay').innerHTML="na";
 document.getElementById('price').value="na";
 
 alert('Sorry, for very large made to measure film; please call 01752 242 965 to place an order or request a quote.  Alternatively; film can be purchased off the roll');
}

} 

//----- end area calculator ------