<!-- hide script from old browsers
//Made by Vijay Bhagwandas, Lenntech BV
function convertor8()
{
	var a = document.converse.a8.value //bar
	var b = document.converse.b8.value //atmosfeer
	var c = document.converse.c8.value //pascal
	var d = document.converse.d8.value //torr (mmHg)
	var e = document.converse.e8.value //pound per square feet
	var f = document.converse.f8.value //pound per square inch
	var g = document.converse.g8.value //kg per square cm
	var h = document.converse.h8.value //meter water
	var i = document.converse.i8.value //milimeter water
	var value1 = document.converse.D
	var D = value1.options[value1.selectedIndex].value
	
	if(a != ""){ temp = document.converse.a8.value*1}
	if(b != ""){ temp = document.converse.b8.value*1.01325}
	if(c != ""){ temp = document.converse.c8.value*1e-5}
	if(d != ""){ temp = document.converse.d8.value*0.001333224}
	if(e != ""){ temp = document.converse.e8.value*0.0004788026}
	if(f != ""){ temp = document.converse.f8.value*0.06894757}
	if(g != ""){ temp = document.converse.g8.value*0.980665}
	if(h != ""){ temp = document.converse.h8.value*0.098}
	if(i != ""){ temp = document.converse.i8.value*0.000098}

	document.converse.a8.value = (temp / 1).toPrecision(D)
	document.converse.b8.value = (temp / 1.01325).toPrecision(D)
	document.converse.c8.value = (temp / 1e-5).toPrecision(D)
	document.converse.d8.value = (temp / 0.001333224).toPrecision(D)
	document.converse.e8.value = (temp / 0.0004788026).toPrecision(D)
	document.converse.f8.value = (temp / 0.06894757).toPrecision(D)
	document.converse.g8.value = (temp / 0.980665).toPrecision(D)
	document.converse.h8.value = (temp / 0.098066).toPrecision(D)
	document.converse.i8.value = (temp / 0.000098066).toPrecision(D)
}

function omr()
{
	var P = document.om.P8.value
	var V = document.om.V8.value
	var T = document.om.T8.value
	var c = document.om.c8.value
	var value1 = document.converse.D
	var D = value1.options[value1.selectedIndex].value
	
	if(P != "" && V != "" && c != "")
		document.om.T8.value = (P*V/c).toPrecision(D)
	
	if(V != "" && T != "" && c != "")
		document.om.P8.value = (T*c/V).toPrecision(D)
	
	if(T != "" && P!= "" && c != "")
		document.om.V8.value = (T*c/P).toPrecision(D)
	
	if(T != "" && P!= "" && V != "")
		document.om.c8.value = (P*V/T).toPrecision(D)
	
	if(T == "" && P == "" && V == "" || c == "")
		return;
}

function change()
{
	convertor8()
	omr()
}

//met enter op de toetsenbord laten berekenen
document.onkeypress = keyhandler;
function keyhandler(e) {
	Key = (document.layers)?e.which:window.event.keyCode;;
	if( Key == 13 || Key == 32){ //13 is ascii value for Enter key 32 is space
		convertor8();
		omr()
	}

	//met escape de velden schoonmaken
	if( Key == 8){ //27 is ascii value for escape key 8 is backspace
		clearConverse(); //call your function here
	}

	if(Key == 27){
		clearConverse();
		clearOmrekenen();
	}
}

function clearOmrekenen(){
	var form = window.document.om
	for(var i = 0; i < form.elements.length; i++){
		if(i == 3)
			continue;
		if(form.elements[i].type == "text"){
			form.elements[i].value = ""
		}
	}
}

// end hiding script from old browsers -->