// JavaScript Document
function calculate()
	{   
		var w = parseInt(window.document.form1.weight.value);
		var a = parseInt(window.document.form1.age.value);
		var h = parseInt(window.document.form1.height.value);
		var sex = parseInt(window.document.form1.sex.value);
		
		
		 if ( sex==1 )
				{ var BMR = 66+(13.7*w)+(5*h)-(6.76*a);  window.document.form2.bmr.value = BMR.toFixed(2);}
		else  if  ( sex==2 )
				{ var BMR = 655+(9.6*w)+(1.8*h)-(4.7*a);  window.document.form2.bmr.value = BMR.toFixed(2);   }
		
		var met_ex = parseFloat(window.document.form1.met_ex.value);  
		var met_ex2 = parseFloat(window.document.form1.met_ex2.value);  
		var met_hob1 = parseFloat(window.document.form1.met_hob1.value);  
		var met_hob2 = parseFloat(window.document.form1.met_hob2.value);  
		var met_work1 = parseFloat(window.document.form1.met_work1.value);  
		 var time_sleep = parseFloat(window.document.form1.time_sleep.value);
		var time_ex = parseFloat(window.document.form1.time_ex.value);
		var time_ex2 = parseFloat(window.document.form1.time_ex2.value);
		var time_home1 = parseFloat(window.document.form1.time_home1.value);
		var time_home2 = parseFloat(window.document.form1.time_home2.value);
		var time_home3 = parseFloat(window.document.form1.time_home3.value);
		var time_hob1 = parseFloat(window.document.form1.time_hob1.value);
		var time_hob2 = parseFloat(window.document.form1.time_hob2.value);
		var time_work1 = parseFloat(24-(time_sleep)-(time_ex)-(time_ex2)
																		 -(time_home1)-(time_home2)-(time_home3)-(time_hob1)-(time_hob2)   );
		
		

					var burn_ex = (met_ex)*(BMR/24)*(time_ex);
					var burn_ex2 = (met_ex2)*(BMR/24)*(time_ex2);
					var burn_sleep = (0.9)*(BMR/24)*(time_sleep);
					var burn_home1 = (2.5)*(BMR/24)*(time_home1);
					var burn_home2 = (3.5)*(BMR/24)*(time_home2);
					var burn_home3 = (4)*(BMR/24)*(time_home3);
					var burn_hob1 = (met_hob1)*(BMR/24)*(time_hob1);
					var burn_hob2 = (met_hob2)*(BMR/24)*(time_hob2);
					var burn_work1 = (met_work1)*(BMR/24)*(time_work1);
					
					var totalex =(burn_ex)+(burn_ex2);
					var totalburn =(burn_ex)+(burn_ex2)
											+(burn_sleep)
											+(burn_home1)+(burn_home2)+(burn_home3)
											+(burn_hob1)+(met_hob2)
											+(burn_work1);
					
					window.document.form2.show_totalburn.value = totalburn.toFixed(2); 
					window.document.form2.show_totalex.value = totalex.toFixed(2); 
						
				var kcal_food1 = parseFloat(window.document.form3.kcal_food1.value);  
				var kcal_food2 = parseFloat(window.document.form3.kcal_food2.value);  
				var kcal_food3 = parseFloat(window.document.form3.kcal_food3.value);  
				var kcal_food4 = parseFloat(window.document.form3.kcal_food4.value);  
				var kcal_food5 = parseFloat(window.document.form3.kcal_food5.value);  
				var kcal_food6 = parseFloat(window.document.form4.kcal_food6.value);  
				var kcal_food7 = parseFloat(window.document.form4.kcal_food7.value);  
				var kcal_food8 = parseFloat(window.document.form4.kcal_food8.value);  
				var kcal_food9 = parseFloat(window.document.form4.kcal_food9.value);  
				var kcal_food10 = parseFloat(window.document.form4.kcal_food10.value);  
				var kcal_food11 = parseFloat(window.document.form5.kcal_food11.value);  
				var kcal_food12 = parseFloat(window.document.form5.kcal_food12.value);  
				var kcal_food13 = parseFloat(window.document.form5.kcal_food13.value);  
				var kcal_food14 = parseFloat(window.document.form5.kcal_food14.value);  
				var kcal_food15 = parseFloat(window.document.form5.kcal_food15.value);  
				
				
				var num_food1 = parseFloat(window.document.form3.num_food1.value);  
				var num_food2 = parseFloat(window.document.form3.num_food2.value);  
				var num_food3 = parseFloat(window.document.form3.num_food3.value);  
				var num_food4 = parseFloat(window.document.form3.num_food4.value);  
				var num_food5 = parseFloat(window.document.form3.num_food5.value);  
				var num_food6 = parseFloat(window.document.form4.num_food6.value);  
				var num_food7 = parseFloat(window.document.form4.num_food7.value);  
				var num_food8 = parseFloat(window.document.form4.num_food8.value);  
				var num_food9 = parseFloat(window.document.form4.num_food9.value);  
				var num_food10 = parseFloat(window.document.form4.num_food10.value);  
				var num_food11 = parseFloat(window.document.form5.num_food11.value);  
				var num_food12 = parseFloat(window.document.form5.num_food12.value);  
				var num_food13 = parseFloat(window.document.form5.num_food13.value);  
				var num_food14 = parseFloat(window.document.form5.num_food14.value);  
				var num_food15 = parseFloat(window.document.form5.num_food15.value);  
				
				var intake_food1 = (kcal_food1)*(num_food1);
				var intake_food2 = (kcal_food2)*(num_food2);
				var intake_food3 = (kcal_food3)*(num_food3);
				var intake_food4 = (kcal_food4)*(num_food4);
				var intake_food5 = (kcal_food5)*(num_food5);
				var intake_food6 = (kcal_food6)*(num_food6);
				var intake_food7 = (kcal_food7)*(num_food7);
				var intake_food8 = (kcal_food8)*(num_food8);
				var intake_food9 = (kcal_food9)*(num_food9);
				var intake_food10 = (kcal_food10)*(num_food10);
				var intake_food11 = (kcal_food11)*(num_food11);
				var intake_food12 = (kcal_food12)*(num_food12);
				var intake_food13 = (kcal_food13)*(num_food13);
				var intake_food14 = (kcal_food14)*(num_food14);
				var intake_food15 = (kcal_food15)*(num_food15);
				var total_intake = (intake_food1)+(intake_food2)+(intake_food3)+(intake_food4)+(intake_food5)
												+(intake_food6)+(intake_food7)+(intake_food8)+(intake_food9)+(intake_food10)
												+(intake_food11)+(intake_food12)+(intake_food13)+(intake_food14)+(intake_food15);
				window.document.form2.show_total_intake.value = total_intake; 
				var total_balance = (total_intake)-(totalburn);
				window.document.form2.show_balance.value = total_balance.toFixed(2); 
				var total_change = ((total_balance)/500)*0.453592;
				window.document.form2.show_change.value = total_change.toFixed(2); 
				
			
				
	}