function onSearchFocus(obj) {
	if (obj.value == obj.defaultValue || obj.value == '' || obj.value == ' ' ) 
		{
			obj.value = '';
		}
}

function onSearchBlur(obj) {
	if (obj.value == '' || obj.value == ' ' ) 
		{
			obj.value = obj.defaultValue;
		}
}

function displayTab(tab) {
	var tabs = new Array();
	
	tabs[0] = 'Export';
	tabs[1] = 'Import';
	tabs[2] = 'Alternativ'
	tabs[3] = 'Singles';
	
	for (i=0; i<4; i++) {
		
			document.getElementById('tab'+ tabs[i]).className = '';
			document.getElementById('most'+ tabs[i]).style.display = 'none';
			
		}
		
		document.getElementById('tab'+tab).className = 'tabselect';
		document.getElementById('most'+tab).style.display = 'inline';
		
}