function checkIt(){
	if(event.ctrlKey&&event.altKey&&(event.keyCode=='76')) {
		showIt();
	}
}

function showIt(){
	document.getElementById( 'block1' ).style.display='none';
	document.getElementById( 'block2' ).style.display='block';	
}

function closeIt(){
	document.getElementById( 'block1' ).style.display='block';
	document.getElementById( 'block2' ).style.display='none';	
}

function file_up(id){
	if(document.getElementById( 'no_up' + id ).style.display == 'block'){
		document.getElementById( 'no_up' + id ).style.display = 'none';
		document.getElementById( 'up' + id ).style.display = 'block';
	}else{
		document.getElementById( 'no_up' + id ).style.display = 'block';
		document.getElementById( 'up' + id ).style.display = 'none';
	}
}

function up_vin(){
	if(document.getElementById('vin').disabled)
		document.getElementById('vin').disabled = false;
	else
		document.getElementById('vin').disabled = true;
}