function showTab($tab,$notab) {
	var $tmpToShow="singleview_tab"+$tab;
	var $tmpToNoShow="singleview_tab"+$notab;
   	document.getElementById($tmpToShow).style.display="block";
   	document.getElementById($tmpToNoShow).style.display="none";
}

function validate(currentForm,type){
	
	var numvalidate = 0;
	
	elementsInputs = currentForm.getElementsByTagName("input");
	
	for (var intCounter = 0; intCounter < elementsInputs.length; intCounter++) 
	{
		if (elementsInputs[intCounter].className == "reqquestion")  {
			if (elementsInputs[intCounter].value != "") 
			{
				numvalidate+=1;
			}
		}
		if(elementsInputs[intCounter].className == "datestart"+type)
		{
			var formtypeStart='tx_metamorftabforms_pi1[date_start'+type+']_hr';
			if (document.getElementById(formtypeStart).value) 
				elementsInputs[intCounter].value =document.getElementById(formtypeStart).value;
		}
		if(elementsInputs[intCounter].className == "dateend"+type)
		{
			var formtypeEnd='tx_metamorftabforms_pi1[date_end'+type+']_hr';
			if (document.getElementById(formtypeEnd).value) 
				elementsInputs[intCounter].value =document.getElementById(formtypeEnd).value;
		}
	}
	if(numvalidate == 3){
		submitted=true;
		return true;
	}
	else{
		alert("Fill in all required fields (*)");
		return false;
	}
}