/**

 *	Created with MAX's HTML Beauty++ 2004

 *	answerElement.js

 *	@author Amani Ahmed

 *	@date July 13 2004

*/





/**

 * This constructor is used to create a new input space for a pForm, called an 

 * answerElement, that is given a default name and size

 * @param 	aType		a string defining type of bank to use

 *			menu		an array of strings for the dropdown menu options

 *						or multiple choice options			

*/

var defaultIndex = 0;

function answerElement(aType, menu) {	

	this.aName = "default"+defaultIndex;

	this.aType = aType;		

	this.menu = menu;

	this.aSize = 5;

	this.change = null;

    this.writeBlank = writeBlank;



	defaultIndex++;

}



/** 

 * This constructor is used to create a new input space

 * for a pForm, called an answerElement

 * @param 	aName		a string defining the name/id of the blank

 *			aType 		a string defining the type of blank to use

 * 			menu		an array of strings for the dropdown menu options

 *						or multiple choices options

 *			change		a string defining the validation script to be run onChange

 *			aSize		a integer defining the size of the blank to use

 */

function answerElement(aName, aType, menu, change, aSize) {	

	if(aName != "" && aName != null)

		this.aName = removeTags(aName);

	else{	

		this.aName = "default"+defaultIndex;	

		defaultIndex++;	

	}

	

	this.aType = aType;

	this.menu = menu;

	this.aSize = aSize;

	this.change = change;

    this.writeBlank = writeBlank;

}



/**

 * Inserts a blank space (textbox or dropdown menu) into a pForm

 * or creates multiple choice answers with radio buttons or check boxes

 */

function writeBlank() {

	if(this.aType == "text")			// text box blank

		document.writeln("<input type='text' size='"+this.aSize+"' id='"+this.aName+"' name='"+this.aName+"' onChange='"+this.change+"'/>");

	else if(this.aType == "menu"){		//drop-down menu blank		

		if(this.menu != null){

			document.writeln("<select id='"+this.aName+"' name='"+this.aName+"' onChange='"+this.change+"'>");



			document.writeln("<option><\/option>");		

			

			for(cnt = 0; cnt < (this.menu).length; cnt++)

				document.writeln("<option>", (this.menu)[cnt], "<\/option>");		

			

			document.writeln("</select>");	

		}else alert('menu error in writeBlanks');

	}else if(this.aType == "radio"){	// multiple choice with only 1 correct answer (radio button)

		if(this.menu != null){

			radioElements="<div class='qmultiple'>"

			for(cnt = 0; cnt < (this.menu).length; cnt++)

				radioElements+=((cnt==0)?"":"<br \/>")+"<input type='radio' id='"+this.aName+"' name='"+this.aName+"' value='"+cnt+"'>"+(this.menu)[cnt];								

		}else alert('menu error in writeBlanks');

		radioElements+="<\/div>";

		document.writeln(radioElements);	

	}else if(this.aType == "checkBox"){	// multiple choice with more than 1 correct answer (check boxes)

		if(this.menu != null){

			for(cnt = 0; cnt < (this.menu).length; cnt++)

				document.writeln("<br><span class='qmultiple'><input type='checkbox' id='"+this.aName+cnt+"' name='"+this.aName+cnt+"'>"+(this.menu)[cnt]+"<\/span>");	

		}else alert('menu error in writeBlanks');

	}else alert('type error in writeBlanks'); // type given is not an option

}