function clearText(thefield)
	{
		if (thefield.defaultValue==thefield.value)
			thefield.value = "";
	}
	
	function setText(thefield)
	{
		if (thefield.value=="")
			thefield.value = thefield.defaultValue;
	}
	
	function isEMailAddr(elem) {
		var str = elem;
		var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
		if (!str.match(re)) {return false;} else {return true;}
	}
	
	function formValidator(forma) {
	if (!isEMailAddr(forma.email.value)) { 
	alert("Unesite validnu E-mail adresu !");
	forma.email.focus();
	forma.email.style.border = "1px solid red";
	forma.email.style.background = "#FFFF99";
	return false; }
	return true;
	}
	
	var boja;
	var selekovaniAuto;
	
	function over(param)
	{
		boja = param.style.backgroundColor;
		param.style.backgroundColor ='yellow';
	}
	
	function out(param)
	{
		//param.style.backgroundColor = 'transparent';
		param.style.backgroundColor = boja;
	}
	
	function select(param, param1)
	{
		boja = '#dddddd';
		selekovaniAuto = param1.id;
		var element = document.getElementById(param);
		element.style.backgroundColor = 'transparent';
		
		var cdw = document.getElementById('cdw');
		
		if(cdw.checked)
			prikaziCenu(param1.id, 4);
		else if(!cdw.checked)
			prikaziCenu(param1.id, 0);
	}
	
	function prikaziCenu(param1, procenat)
	{
		var element1 = document.getElementById('vozilo');
		var element2 = document.getElementById('selSelect');
		var rez = document.getElementById('rezultat');
		
		switch(param1)
		{
		case 'auto1':
			element1.value = 'Yugo Koral In';
			if(element2.selectedIndex == 0)
				rez.innerHTML = 24.00 + procenat + ' ' + 'dnevno';
			else if(element2.selectedIndex == 1)
				rez.innerHTML = 24.00 + procenat + ' ' + 'dnevno';
			else if(element2.selectedIndex == 2)
				rez.innerHTML = 20.00 + procenat + ' ' + 'dnevno';
			else if(element2.selectedIndex == 3)
				rez.innerHTML = 18.00 + procenat + ' ' + 'dnevno';
			else if(element2.selectedIndex == 4)
				rez.innerHTML = 16.00 + procenat + ' ' + 'dnevno';
			else if(element2.selectedIndex == 5)
				rez.innerHTML = 420.00 + procenat + ' ' + 'ukupno';
			else
				rez.innerHTML = '00.00';
			break;    
		case 'auto2':
			element1.value = 'Zastava 10';
			if(element2.selectedIndex == 0)
				rez.innerHTML = 45.00 + procenat + ' ' + 'dnevno';
			else if(element2.selectedIndex == 1)
				rez.innerHTML = 42.00 + procenat + ' ' + 'dnevno';
			else if(element2.selectedIndex == 2)
				rez.innerHTML = 35.00 + procenat + ' ' + 'dnevno';
			else if(element2.selectedIndex == 3)
				rez.innerHTML = 30.00 + procenat + ' ' + 'dnevno';
			else if(element2.selectedIndex == 4)
				rez.innerHTML = 27.00 + procenat + ' ' + 'dnevno';
			else if(element2.selectedIndex == 5)
				rez.innerHTML = 720.00 + procenat + ' ' + 'ukupno';
			else
				rez.innerHTML = '00.00';
			break;
		default:
		  element1.value = 'Niste izabrali vozilo';
		}
	}
	
	function dani(value)
	{
		var ng = document.getElementById('ng');
		var og = document.getElementById('og');
		var ti = document.getElementById('km');
		var cdw = document.getElementById('cdw');
		
		switch(value)
		{
		case '3':
			og.checked = 'checked';
			ti.value = '150';
			ti.readOnly = false;
			og.disabled = false;
			if(cdw.checked)
				prikaziCenu(selekovaniAuto, 4);
			else if(!cdw.checked)
				prikaziCenu(selekovaniAuto, 0);
			break;    
		case '7':
			ng.checked = 'checked';
			ti.value = '';
			ti.readOnly = true;
			og.disabled = true;
			if(cdw.checked)
				prikaziCenu(selekovaniAuto, 4);
			else if(!cdw.checked)
				prikaziCenu(selekovaniAuto, 0);
			break;
		case '15':
			ng.checked = 'checked';
			ti.value = '';
			ti.readOnly = true;
			og.disabled = true;
			if(cdw.checked)
				prikaziCenu(selekovaniAuto, 4);
			else if(!cdw.checked)
				prikaziCenu(selekovaniAuto, 0);
			break;
		case '22':
			ng.checked = 'checked';
			ti.value = '';
			ti.readOnly = true;
			og.disabled = true;
			if(cdw.checked)
				prikaziCenu(selekovaniAuto, 4);
			else if(!cdw.checked)
				prikaziCenu(selekovaniAuto, 0);
			break;
		case '29':
			ng.checked = 'checked';
			ti.value = '';
			ti.readOnly = true;
			og.disabled = true;
			if(cdw.checked)
				prikaziCenu(selekovaniAuto, 4);
			else if(!cdw.checked)
				prikaziCenu(selekovaniAuto, 0);
			break;
		case '30':
			ng.checked = 'checked';
			ti.value = '';
			ti.readOnly = true;
			og.disabled = true;
			if(cdw.checked)
				prikaziCenu(selekovaniAuto, 4);
			else if(!cdw.checked)
				prikaziCenu(selekovaniAuto, 0);
			break;
		default:
		  og.checked = 'checked';
		  break;
		}
	}
	
	function cdw(param)
	{
		if(param.checked)
		{
			prikaziCenu(selekovaniAuto, 4);
		}
		else if(!param.checked)
		{
			prikaziCenu(selekovaniAuto, 0);
		}
	}