function prePrint()
		{
			document.getElementById("btnImprimir").style.visibility = "hidden";
			document.getElementById("btnValModif").style.visibility = "hidden";
			document.getElementById("btnSalir").style.visibility = "hidden";
			document.getElementById("lblIncMenor").style.visibility = "hidden";
		}
		function prePrintSinVal()
		{
			document.getElementById("btnImprimir").style.visibility = "hidden";
			document.getElementById("btnSalir").style.visibility = "hidden";
			document.getElementById("lblIncMenor").style.visibility = "hidden";
		}
		function prePrint2()
		{
			document.getElementById("btnImprimir").style.visibility = "hidden";
			document.getElementById("btnSalir").style.visibility = "hidden";
			document.getElementById("lblIncMenor").style.visibility = "hidden";
		}
		function postPrint()
		{	
			document.getElementById("btnSalir").style.visibility = "visible";
		}
		
		function ConfirmarImprimir()
		{
			if (window.confirm("Datos Correctos. Imprimir boletin ?")) {
				window.print();
			}
		}
		function FocoEnter(oEvento, oControlSig){ 
			var iAscii; 
			if (oEvento.keyCode) 
				iAscii = oEvento.keyCode; 
			else if (oEvento.which) 
				iAscii = oEvento.which; 
			else 
				return false; 
				
			if (iAscii == 13) {
			oControlSig.focus();
			}
			return true; 
		} 
		function QuitarPuntos(oControl)
		{
			oControl.value = oControl.value.replace(".",",")
		}
		function LetraNIF(sender,e)			{
			if (document.getElementById("txtDNIX").value=="X" ||
				document.getElementById("txtDNIX").value=="x" ||
				document.getElementById("txtDNIX").value=="") {
					var DNI = document.getElementById("txtDNIC").value
					DNI= DNI.replace('.','')
					DNI= DNI.replace('.','')
					var i
					for(i=0;  DNI.charAt(i)== '0' ;i++);
					DNI = DNI.substring(i,DNI.length)

					var resto = parseInt(DNI) % 23
					var Letras = "TRWAGMYFPDXBNJZSQVHLCKE"
					document.getElementById("txtDNIL").value = Letras.charAt(resto ) 
					e.IsValid = true;
			}
			else if (document.getElementById("txtDNIX").value=="Y" ||
				document.getElementById("txtDNIX").value=="y") {
					var DNI = document.getElementById("txtDNIC").value
					DNI= DNI.replace('.','')
					DNI= DNI.replace('.','')
					var i=0
					//for(i=0;  DNI.charAt(i)== '0' ;i++);
					DNI = "1" + DNI.substring(i,DNI.length)

					var resto = parseInt(DNI) % 23
					var Letras = "TRWAGMYFPDXBNJZSQVHLCKE"
					document.getElementById("txtDNIL").value = Letras.charAt(resto ) 
					e.IsValid = true;
			}
			else{
				document.getElementById("txtDNIL").value = ""
				if (document.getElementById("txtDNIC").value.length!=8){
					alert('DNI no valido')
					e.IsValid=false;
				}
				else
					e.IsValid = true;
			}
		}
		function maxTextoCIF()
			{
			total=8
			tam=document.getElementById("txtCIFC").value.length;
				if(tam>total)
				{
					aux=document.getElementById("txtCIFC").value;
					document.getElementById("txtCIFC").value=aux.substring(0,total);
				}
			}
			function maxTextoDNIC(){
			total=9
			tam=document.getElementById("txtDNIC").value.length;
				if(tam>total)
				{
					aux=document.getElementById("txtDNIC").value;
					document.getElementById("txtDNIC").value=aux.substring(0,total);
				}
			}
		function maxTexto(txarea,total)
			{
				tam=txarea.value.length;
			
				if(tam>total)
				{
					aux=txarea.value;
					txarea.value=aux.substring(0,total);
				}
			}
			function MostrarCalendario(){
			capCal.style.visibility="visible";
		}
		function SoloNumeros(evt)
		{
		// NOTE: Backspace = 8, Enter = 13, '0' = 48, '9' = 57, '.' = 46
		//var key = nav4 ? evt.which : evt.keyCode;
		var key = evt.keyCode;
		return !(key == 13 || (key >= 48 && key <= 57) || key == 46);
		}
		
		////////////////////////////