// JavaScript Document

function clearfield(field,defaultvalue) {	

	try {

		var testfield = document.getElementById(field);

		if (testfield.value == defaultvalue) {

			testfield.value = "";

		}

	} catch (e) {}

}

/*hover trailer*/

function imgSwitch (nr) {
	
	var imgHover = document.getElementsByName('trailerHover')[nr];
	
	imgHover.style.display = 'block';

}

function imgDelete (nr) {
	
	var imgHover = document.getElementsByName('trailerHover')[nr];
	
	imgHover.style.display = 'none';

}