// JavaScript Document 
// Common.js by Jamie Lutzuver @ Cognatus Systems
// 19/01/07 - Initial creation and development

function dpSmartLink(u,n,w,h,p) { // v1.4 by David Powers
  var a,j,k,x,y,f='';if(!n){n='';}if(w){f+='width='+w+',';}if(h){f+='height='+h+',';}
  if(p){p=p.split(':');if(p[0]!='z'){p[0]=='c'?(x=(screen.width-w)/2):x=p[0];f+='left='+x+',';}
  if(p[1]!='z'){if(p[0]=='c'){y=(screen.height-h-p[1])/2;if(navigator.appName.indexOf('Op')!=-1){
  y-=96;y=y<0?0:y;}}else{y=p[1];}f+='top='+y+',';}}a=arguments.length;if(a>5){for (k=5;k<a;k++){
  switch(arguments[k]){case 'all':f+='toolbar,menubar,location,scrollbars,status,resizable,';break;
  case 't':f+='toolbar,';break; case 'm':f+='menubar,';break;case 'l':f+='location,';break;
  case 'sc':f+='scrollbars,';break;case 's':f+='status,';break;case 'r':f+='resizable,';}}}
  if(f.charAt(f.length-1)==','){f=f.slice(0,-1);}j=window.open(u,n,f);j.focus();
  document.MM_returnValue=false;
}
			
function errMsg(){
	alert('called');
}

function roundNumber(inVal) {
	var numberField = inVal; // Field where the number appears
	var rnum = inVal;
	var rlength = 2; // The number of decimal places to round to
	if (rnum > 8191 && rnum < 10485) {
		rnum = rnum-5000;
		var newnumber = Math.round(rnum*Math.pow(10,rlength))/Math.pow(10,rlength);
		//newnumber = newnumber+5000;
	} else {
		var newnumber = Math.round(rnum*Math.pow(10,rlength))/Math.pow(10,rlength);
	}
	return newnumber;
}

// sum functions
function round(number,X) {
	return Math.round(number*Math.pow(10,X))/Math.pow(10,X);
}

// checks that a field has a value
function isEmpty(elem, helperMsg){
	if(elem.value.length == 0){
		alert(helperMsg);
		elem.focus();
		return false;
	}
	return true;
}
		
function popUp(URL) {
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=0,location=0,statusbar=0,menubar=0,resizable=1,width=400,height=460');");
}
function popUpBig(URL) {
day = new Date();
id = day.getTime();
eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=950,height=650');");
}


// this is used for the printIframe bit below
function CheckIsIE()
{
	if  (navigator.appName.toUpperCase() == 'MICROSOFT INTERNET EXPLORER')  { return true;}
	else { return false; }
}