var ajax = new Array();

function getModelList(sel)
{
	var znacka = sel.options[sel.selectedIndex].value;
	document.getElementById('model').options.length = 1;	// Empty city select box
	if(znacka.length>0){
		var index = ajax.length;
		ajax[index] = new sack();
		
		ajax[index].requestFile = 'getModels.php?zn='+znacka;	// Specifying which file to get
		ajax[index].onCompletion = function(){ createModels(index) };	// Specify function that will be executed after file has been found
		ajax[index].runAJAX();		// Execute AJAX function
	}
}

function createModels(index)
{
	var obj = document.getElementById('model');
	eval(ajax[index].response);	// Executing the response from Ajax as Javascript code	
}

function setSelect(mobj,mval) {
for( var i=0; i<mobj.options.length; i++){ //loop through all form elements
 if (mobj.options[i].value==mval) {
   mobj.selectedIndex=i;
 }
}
}