function arata_ascunde(id)
{
	if (document.getElementById(id))
	{
		if (document.getElementById(id).style.display=='block')
		{
			document.getElementById(id).style.display='none';
		}
		else
		{
			document.getElementById(id).style.display='block';
		}
	}
}

function alternate_color(id,cul_1,cul_2)
{
	//alert(document.getElementById(id).style.backgroundColor);
	if (document.getElementById(id))
	{
		if (document.getElementById(id).style.backgroundColor == 'rgb(93, 148, 177)' )
		{	
			document.getElementById(id).style.backgroundColor = cul_2;
			document.getElementById(id).style.backgroundColor = '';
		}
		else
		{	
			document.getElementById(id).style.backgroundColor = cul_1;
			document.getElementById(id).style.backgroundColor = '';
		}
	}	 
}

function calculeaza_pe_afisari()
{
	if (document.getElementById('aleg_afis').checked == true)
	{
		document.getElementById('pret_estimat').value = (document.getElementById('nr_afisari').value * document.getElementById('pret_banner_1000_afis').value)/1000; 
	}
}


function calculeaza_pe_zi()
{
	if (document.getElementById('aleg_zile').checked == true)
	{
		var total_sectiuni = 0;
	  
		$(".clasa_sectiune").each(function(){
			var subChecked = $(this).attr("checked");
	        	
	        if (subChecked == true)
	        {
	        	total_sectiuni++;
	        }
		}); 
		
	 	 
	 	if (document.getElementById('perioada').value != '')
		{	
			document.getElementById('pret_estimat').value = total_sectiuni * document.getElementById('pret_banner_zi').value * document.getElementById('perioada').value;
		}	
	}
}