// $Id: formvalidate.js,v 1.14 2006/05/03 18:05:28 jseverson Exp $ 
// 
/********************************************************************** chkMandatory: check mandatory fields on the form objForm parameters: objForm - form reference pre-requisites: aMandatory - array of fields for which mandatory evaluation should be done Depends on: alltrim() which is a function of string.js library aMandatory should be defined on each HTML page format of aMandatory: aMandatory[] = new Array(, , ); : message to be displayed on mandatory check failure (NOTE: system dispalyes " is mandatory") : "TEXT", "RADIO" : name of the field where focus should be placed on mandatory check failure. if this is "" then focus is place on **********************************************************************/ 
var aMandatory = new Array(); 
function chkMandatory(objForm) { 
	for (var iLoop in aMandatory) { 
		var strVal; 
		strVal = ""; 
		if (aMandatory[iLoop][1] == "Text") strVal = eval("objForm." + iLoop + ".value"); 
		else if (aMandatory[iLoop][1] == "Radio") { 
			var oEle = eval("objForm." + iLoop); 
			var iLen = oEle.length; 
			for (var iEle = 0; iEle < iLen; iEle++) if (oEle[iEle].checked) { 
				strVal = oEle[iEle].value; 
				break; 
			} 
		} 
		else if (aMandatory[iLoop][1] == "Select") { 
			var iIdx = eval("objForm." + iLoop + ".selectedIndex"); 
			if (iIdx > -1) strVal = eval("objForm." + iLoop + "[" + iIdx + "].value"); 
			else strVal = ""; 
		} 
		strVal = alltrim(strVal); 
		if (strVal == "") { 
			alert('Please enter a value for ' + aMandatory[iLoop][0] + '.'); 
			if (aMandatory[iLoop][2] != "") eval("objForm." + aMandatory[iLoop][2] + ".focus()"); 
			else { 
				if (aMandatory[iLoop][1] == "Radio") eval("objForm." + iLoop + "[0].focus()"); 
				else eval("objForm." + iLoop + ".focus()"); 
			} 
			return false; 
		} 
	} 
	return true; 
} 
function disableButtons(objForm) { 
	var i;
	for(i=0; i<objForm.elements.length; i++) { 
		if(objForm.elements[i].type == "submit" || objForm.elements[i].type == "button") { 
			objForm.elements[i].disabled = true; 
		} 
	} 
	hideshowlayers(objForm); 
} 
function hideshowlayers(objForm) { 
	// This fixes a bug in IE where layers disappear even though they are visible 
	if (objForm && objForm.all) { 
		for(i=0; i<objForm.all.length; i++) { 
			if(objForm.all[i].tagName == "DIV") { 
				if(objForm.all[i].style.visibility == "visible") { 
					objForm.all[i].style.visibility = "hidden"; 
					objForm.all[i].style.visibility = "visible"; 
				} 
			} 
		} 
	} 
} 
function setFormFocus (objForm) { 
	//Call this function from the body onLoad and it will set focus to first field in objForm 
	if(objForm) { 
		aForm = objForm; 
		if(aForm.elements[0]!=null) { 
			var i; 
			var max = aForm.length; 
			for( i = 0; i < max; i++ ) { 
				if( aForm.elements[i].type != "hidden" && aForm.elements[i].type != "button" && !aForm.elements[i].disabled && !aForm.elements[i].readOnly ) { 
					aForm.elements[i].focus(); 
					break; 
				} 
			} 
		} 
	} 
}