function clear_guide(){
	//CLEAR MODEL SELECTS
	document.getElementById('model_select')[0].selected = true;
	document.getElementById('model_select').disabled = true;
	
	//CLEAR OPTION SELECTS
	document.getElementById('option_select')[0].selected = true;
	document.getElementById('option_select').disabled = true;
	
	//CHECK FOR VIEW TIRES BUTTON
	if(document.getElementById('view_my_tires') != undefined){ document.getElementById('view_my_tires').parentNode.removeChild(document.getElementById('view_my_tires')); }		
}

function clear_tires_button(){
	//CHECK FOR VIEW TIRES BUTTON
	if(document.getElementById('view_my_tires') != undefined){ document.getElementById('view_my_tires').parentNode.removeChild(document.getElementById('view_my_tires')); }
}