function getModelList(sel, boxSel)
{
	var boxSelection = boxSel;
	var selCode = sel.options[sel.selectedIndex].value;
	var url;
	if(boxSelelection = 'makeSel')
	{
		document.getElementById('modelName').options.length = 0;	// Empty model select box
		if(selCode.length>0){
			url = 'getModels.php?makeCode='+selCode;
			ajax.requestFile = 'getModels.php?makeCode='+selCode;	// Specifying which file to get
			ajax.onCompletion = createModels;	// Specify function that will be executed after file has been found
			ajax.runAJAX();		// Execute AJAX function
		}
	}
	else if(boxSelection = 'modelSel'){
		document.getElementById('yearRange').options.length = 0;	// Empty yearRange select box
		if(selCode.length>0){
			ajax.requestFile = url+'&modelCode='+selCode;	// Specifying which file to get
			ajax.onCompletion = createYears;	// Specify function that will be executed after file has been found
			ajax.runAJAX();		// Execute AJAX function
		}
	}
	else if(boxSelection = 'yearSel'){
		document.getElementById('makeType').options.length = 0;	// Empty makeType select box
		if(selCode.length>0){
			ajax.requestFile = url+'&yearRange='+selCode;	// Specifying which file to get
			ajax.onCompletion = createMakeType;	// Specify function that will be executed after file has been found
			ajax.runAJAX();		// Execute AJAX function
		}
	}
	
}