function formatend(numval){
var tmpNum = numval;
tmpNum = tmpNum.toFixed(2);
//tmpNum *= Math.pow(10,2);
//tmpNum = Math.round(Math.abs(tmpNum))
//tmpNum /= Math.pow(10,2);
return tmpNum;
}
function calc(){
var MPK12EEN2_val,RCSS5000U_val,MPK12EEN2_install_val,RCSS5000U_install_val,tmpVal,tmpValA,tmpValB;
//Length * width = area m2
//( area * 150 ) / 1000 = A
//( people * 100 ) / 1000 = B
//Room height upto and equal to 2.4 = 1 ( factor )
//2.5 to 2.7 =1.1 ( factor )             C          
//2.8 to 3.0 =1.2 ( factor )
//Therefore ( A+B )*C = load kw
//tmpVal = ( (150 * window.document.calc_cooling.len_val.value * window.document.calc_cooling.wid_val.value * window.document.calc_cooling.hei_val.value) + (window.document.calc_cooling.peo_val.value * 100) ) / 1000;
tmpVal = ( ( (150 * window.document.calc_cooling.len_val.value * window.document.calc_cooling.wid_val.value) / 1000) + ( (100 * window.document.calc_cooling.peo_val.value) / 1000) * window.document.calc_cooling.hei_val.value);
window.document.calc_cooling.load_val.value = tmpVal.toFixed(2);
MPK12EEN2_val = Math.round(parseFloat(window.document.calc_cooling.load_val.value)/2.6);
RCSS5000U_val = Math.round(parseFloat(window.document.calc_cooling.load_val.value)/4.4);
if (MPK12EEN2_val < 1) {MPK12EEN2_val = 1;}
if (RCSS5000U_val < 1) {RCSS5000U_val = 1;}
window.document.calc_cooling.q1.value = MPK12EEN2_val;
window.document.calc_cooling.q2.value = RCSS5000U_val;
window.document.calc_cooling.q1td.value = formatend(MPK12EEN2_val * 2.6);
window.document.calc_cooling.q2td.value = formatend(RCSS5000U_val * 4.4);
MPK12EEN2_install_val = 0;
RCSS5000U_install_val = 0;
if (window.document.calc_cooling.ins_req.checked) {
MPK12EEN2_install_val = 5 * MPK12EEN2_val;
RCSS5000U_install_val = 5 * RCSS5000U_val;}
window.document.calc_cooling.ppwa.value =  28;
window.document.calc_cooling.ppwb.value =  49;
//"65,65,65,65,62,62,60,60,57,57,55,55,53,53,52,52,50,50,49,49"
if (parseInt(window.document.calc_cooling.week_val.value) == 4 )  {
	window.document.calc_cooling.ppwa.value =  45;
	window.document.calc_cooling.ppwb.value =  65;}
if (parseInt(window.document.calc_cooling.week_val.value) == 8 )  {
	window.document.calc_cooling.ppwa.value =  40;
	window.document.calc_cooling.ppwb.value =  60;}
if (parseInt(window.document.calc_cooling.week_val.value) == 12 )  {
	window.document.calc_cooling.ppwa.value =  35;
	window.document.calc_cooling.ppwb.value =  55;}
if (parseInt(window.document.calc_cooling.week_val.value) == 16 )  {
	window.document.calc_cooling.ppwa.value =  32;
	window.document.calc_cooling.ppwb.value =  52;}

window.document.calc_cooling.tot_val.value = formatend(parseInt(window.document.calc_cooling.ppwb.value) * RCSS5000U_val)  ;
tmpVal = RCSS5000U_install_val;
window.document.calc_cooling.i_val.value = tmpVal.toFixed(2);
if (window.document.calc_cooling.equip_type[0].checked) {
window.document.calc_cooling.tot_val.value = formatend(parseInt(window.document.calc_cooling.ppwa.value) * MPK12EEN2_val) 
tmpVal = MPK12EEN2_install_val;
window.document.calc_cooling.i_val.value = tmpVal.toFixed(2);};
tmpVal = parseInt(window.document.calc_cooling.del_val.value);
window.document.calc_cooling.d_val.value = tmpVal.toFixed(2);


}