<!-- hide script from old browsers
//Made by Vijay Bhagwandas, Lenntech BV
function convertor4()
{
	var a = document.converse.a4.value// miligram 
	var b = document.converse.b4.value// carat
	var c = document.converse.c4.value// gram
	var d = document.converse.d4.value// kilogram
	var e = document.converse.e4.value// ton
	var f = document.converse.f4.value// kiloton
	var g = document.converse.g4.value// grain
	var h = document.converse.h4.value// ounce
	var i = document.converse.i4.value// pound
	var j = document.converse.j4.value// stone
	var value1 = document.converse.D
	var D = value1.options[value1.selectedIndex].value
	var temp
		
	if(a != ""){temp = document.converse.a4.value*0.001;}
	if(b != ""){temp = document.converse.b4.value*0.2;}
	if(c != ""){temp = document.converse.c4.value*1;}
	if(d != ""){temp = document.converse.d4.value*1000;}
	if(e != ""){temp = document.converse.e4.value*1e6;}
	if(f != ""){temp = document.converse.f4.value*1e9;}
	if(g != ""){temp = document.converse.g4.value*0.06479891;}
	if(h != ""){temp = document.converse.h4.value*28.34952;}
	if(i != ""){temp = document.converse.i4.value*453.5924;}
	if(j != ""){temp = document.converse.j4.value*6350.293;}


	document.converse.a4.value = (temp / 0.001 ).toPrecision(D)
	document.converse.b4.value = (temp / 0.2).toPrecision(D)
	document.converse.c4.value = (temp / 1).toPrecision(D)
	document.converse.d4.value = (temp / 1000).toPrecision(D)
	document.converse.e4.value = (temp / 1e6).toPrecision(D)
	document.converse.f4.value = (temp / 1e9).toPrecision(D)
	document.converse.g4.value = (temp / 0.06479891).toPrecision(D)
	document.converse.h4.value = (temp / 28.34952).toPrecision(D)
	document.converse.i4.value = (temp / 453.5924).toPrecision(D)
	document.converse.j4.value = (temp / 6350.293).toPrecision(D)
}


function gew()
{
	var m = document.ge.m4.value
	var F = document.ge.F4.value
	var g = document.ge.g4.value
	document.ge.g4.value = 9.81
	var value1 = document.converse.D
	var D = value1.options[value1.selectedIndex].value
	
	if(m != "")
	{
		document.ge.F4.value = (m*g).toPrecision(D)
	}
	if(F != "")
	{
		document.ge.m4.value = (F/g).toPrecision(D)
	}
	if(m == "" && F == "")
		return;
}

function change()
{
	convertor4()
	gew()
}

//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
		convertor4(); 
		gew()
	}

	//met escape de velden schoonmaken
	if( Key == 27){ //27 is ascii value for Escape
		clearConverse();
		clearGewicht();
	}
	
	if( Key == 8){
		clearConverse();
	}
}

function clearGewicht(){
	var form = window.document.ge
	for(var i = 0; i < form.elements.length; i++){
		if(i == 2)
			continue;
		if(form.elements[i].type == "text"){
			form.elements[i].value = ""
		}
	}
}

// end hiding script from old browsers -->