var materialk;
var voltsk;
var cmask;
var voltage;

function calculate(form){
	
	for (var i=0; i<=form.material.length; i++) {
         if (form.material[i].selected) {
         	
         	materialk=eval(form.material[i].value);
         	
         	break	
	}
     }
	for (var i=0; i<=form.volts.length; i++){ 
	
         if (form.volts[i].selected) {
         	
         	voltsk=eval(form.volts[i].value);

		switch(i) {
		
		  case 0:
		    voltage=120;
		    break;
		  case 1:
		    voltage=240;
		    break;  
		  case 2:
		    voltage=208;
		    break;  
		  case 3:
		    voltage=120;
		    break;  
		  case 4:
		    voltage=277;
		    break;  
		  case 5:
		    voltage=480;
		    break;  
		  case 6:
		    voltage=277;
		    break;  
		  case 7:
		    voltage=24;
		    break;  
		   case 8:
		    voltage=48;
		    break; 
		   case 9:
		    voltage=124;
		    break;    
		}
         	
         break;
        	
	}
     }
     
    
		
     
     
	for (var i=0; i<=form.cmas.length; i++) {
         if (form.cmas[i].selected) {
         	
         	cmask=eval(form.cmas[i].value);
         	
         	break
	
	}
     }

         
     form.circularma.value=cmask
     
     
     
     if (Math.round((((2*materialk*(eval(form.distance.value))*(eval(form.amperes.value)))/cmask)*voltsk)*10)/10<=voltage)
     {
     
     form.voltdrop.value=Math.round((((2*materialk*(eval(form.distance.value))*(eval(form.amperes.value)))/cmask)*voltsk)*10)/10;
     }
     else {
     
     form.voltdrop.value=voltage;
     }
     form.vdpercent.value=(Math.round(((eval(form.voltdrop.value))/voltage)*1000))/10;
     form.voltload.value=voltage-(eval(form.voltdrop.value));
}     
// End hiding script -->