function popup_job(file){
newwin=window.open(file,'Job_Print','status=0,toolbar=0,width=955,height=500');
if (window.focus) {newwin.focus()}


return false;
}

function popup_prot(file){
newwin=window.open(file,'Protection','status=0,toolbar=0,width=955,height=350');
if (window.focus) {newwin.focus()}


return false;
}


function show_p(id,idc){
	if($(id).style.display=='none'){
	$('overview').style.display='none';
	$('benefits').style.display='none';
	$('s_equip').style.display='none';
	$('o_equip').style.display='none';
	$('w_tools').style.display='none';
	$('over').className='';
	$('bene').className='';
	$('sequ').className='';
	$('oequ').className='';
	$('wtoo').className='';
	
	$(id).style.display='block';
	$(idc).className='active';
	}
	
	

}

function is_empty (str) {
	return ((str.length==0) ? true : false);
}

function is_number (n) {
	var digitExp = /^[0-9]*$/; 
	
	if(digitExp.test(n)) return true;

	return false;
}

function is_letter (n) {
	var alphaExp = /^[a-zA-Z]*$/; 
	
	if(alphaExp.test(n)) return true;

	return false;
}

function check_digit (id) {
	var n_val = '';
	var ob = jQuery('#'+id).val();	
	for(var i=0;i<ob.length;i++) {		
		if(is_number(ob.substr(i, 1))) n_val += ob.substr(i, 1);
	}
	jQuery('#'+id).val(n_val);
}

function check_letter (id) {
	var n_val = '';
	var ob = jQuery('#'+id).val();	
	for(var i=0;i<ob.length;i++) {		
		if(is_letter(ob.substr(i, 1))) n_val += ob.substr(i, 1);
	}
	jQuery('#'+id).val(n_val);
}

function check_alphanum (id) {
	var n_val = '';
	var ob = jQuery('#'+id).val();	
	for(var i=0;i<ob.length;i++) {		
		if(is_letter(ob.substr(i, 1)) || is_digit(ob.substr(i, 1))) n_val += ob.substr(i, 1);
	}
	jQuery('#'+id).val(n_val);
}

function is_ascii(event) {
	var t = event.which?event.which:event.keyCode;
	if(t >= 48 && t <= 57 || t >= 65 && t <= 89 || t >= 97 && t <= 121 || t==32) {
		return true;
	} else {
		return false;
	}
}

function is_email (emailStr) {
	var checkTLD=1;
	var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
	var emailPat=/^(.+)@(.+)$/;
	var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
	var validChars="\[^\\s" + specialChars + "\]";
	var quotedUser="(\"[^\"]*\")";
	var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
	var atom=validChars + '+';
	var word="(" + atom + "|" + quotedUser + ")";
	var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
	var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
	var matchArray=emailStr.match(emailPat);

	if (matchArray==null) {
		//alert("Email address seems incorrect (check @ and .'s)");
		return false;
	}

	var user=matchArray[1];
	var domain=matchArray[2];

	for (i=0; i<user.length; i++) {
		if (user.charCodeAt(i)>127) {
			//alert("Ths username contains invalid characters.");
			return false;
	   }
	}
	for (i=0; i<domain.length; i++) {
		if (domain.charCodeAt(i)>127) {
			//alert("Ths domain name contains invalid characters.");
			return false;
	   }
	}

	if (user.match(userPat)==null) {
	//	alert("The username doesn't seem to be valid.");
		return false;
	}

	var IPArray=domain.match(ipDomainPat);
	if (IPArray!=null) {

		for (var i=1;i<=4;i++) {
			if (IPArray[i]>255) {
				//alert("Destination IP address is invalid!");
				return false;
			}
		}
		return true;
	}
	 
	var atomPat=new RegExp("^" + atom + "$");
	var domArr=domain.split(".");
	var len=domArr.length;
	for (i=0;i<len;i++) {
		if (domArr[i].search(atomPat)==-1) {
			//alert("The domain name does not seem to be valid.");
			return false;
	   }
	}

	if (checkTLD && domArr[domArr.length-1].length!=2 && domArr[domArr.length-1].search(knownDomsPat)==-1) {
		//alert("The address must end in a well-known domain or two letter " + "country.");
		return false;
	}

	if (len<2) {
		//alert("This address is missing a hostname!");
		return false;
	}

	return true;
}

/* preloading images */
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}