var temp22;
		function sprawdz(){
			
			var reg = /^[a-zA-Z0-9acelnószzACELNÓSZZ.\\_\\-]{1,50}@[a-zA-Z0-9acelnószzACELNÓSZZ\\-]+(\.[a-zA-Z0-9acelnószzACELNÓSZZ]+)+$/;
			var wyn = document.getElementById('email').value.match(reg);
			var error = 0;
			
			if(wyn == null){
				error = 1;
				
				document.getElementById('lbl_email').style.color = '#c61414';

			}
			else{
				document.getElementById('lbl_email').style.color = '#4b4c47';
			}
			if(document.getElementById('kontakt_textarea').value.length < 3){
				error = 1;
				document.getElementById('lbl_tresc').style.color = '#c61414';
			}
			else{
				document.getElementById('lbl_tresc').style.color = '#4b4c47';

			}
			if(error){
				document.getElementById('error').style.display = 'block';
				return false;
			}
			else{
				document.getElementById('error').style.display = 'none';
				document.getElementById('frm_kontakt').submit();
			}
		}		
		function pokazDiva(show){
			if(temp22 && temp22 != show){
				document.getElementById(temp22).style.display = 'none';
			}
			document.getElementById(show).style.display = 'block';
			temp22 = show;
		}
		function zamknijDiva(){
			if(temp22)
				document.getElementById(temp22).style.display = 'none';
		}
		function zamien(el1,el2){
			
			if(document.getElementById(el1).style.display == 'block'){
				document.getElementById(el1).style.display = 'none';
				document.getElementById(el2).style.display = 'block';
			}
			else{
				document.getElementById(el1).style.display = 'block';
				document.getElementById(el2).style.display = 'none';			
			}
			return false;
		}
		function zamien2(el1,el2){
			if(document.getElementById(el1).style.display == 'block'){
				document.getElementById(el1).style.display = 'none';
				document.getElementById(el2).style.display = 'block';
			}
			else{
				document.getElementById(el1).style.display = 'block';
				document.getElementById(el2).style.display = 'none';			
			}
			for(x = 1; x < 8; x++){				
				if(x +'_short' != el1 && x +'_long' != el2){
					document.getElementById(x +'_short').style.display = 'block';			
					document.getElementById(x +'_long').style.display = 'none';			
				}
			}
			return false;
		}