// js file for the autosuggest box

function autoCompleteDB()
{
	this.aNames=new Array();
}

autoCompleteDB.prototype.assignArray=function(aList)
{
	this.aNames=aList;
};

autoCompleteDB.prototype.getMatches=function(str,aList,maxSize)
{
	/* debug */ //alert(maxSize+"ok getmatches");
	var ctr=0;
	for(var i in this.aNames)
	{
		if(this.aNames[i].toLowerCase().indexOf(str.toLowerCase())==0) /*looking for case insensitive matches */
		{
			aList.push(this.aNames[i]);
			ctr++;
		}
		if(ctr==(maxSize-1)) /* counter to limit no of matches to maxSize */
			break;
	}
};

function autoComplete(aNames,oText,oDiv,maxSize)
{

	this.oText=oText;
	this.oDiv=oDiv;
	this.maxSize=maxSize;
	this.cur=-1;

	
	/*debug here */
	//alert(oText+","+this.oDiv);
	
	this.db=new autoCompleteDB();
	this.db.assignArray(aNames);
	
	oText.onkeyup=this.keyUp;
	oText.onkeydown=this.keyDown;
	oText.autoComplete=this;
	oText.onblur=this.hideSuggest;
}

autoComplete.prototype.hideSuggest=function()
{
	this.autoComplete.oDiv.style.visibility="hidden";
};

autoComplete.prototype.selectText=function(iStart,iEnd)
{
	if(this.oText.createTextRange) /* For IE */
	{
		var oRange=this.oText.createTextRange();
		oRange.moveStart("character",iStart);
		oRange.moveEnd("character",iEnd-this.oText.value.length);
		oRange.select();
	}
	else if(this.oText.setSelectionRange) /* For Mozilla */
	{
		this.oText.setSelectionRange(iStart,iEnd);
	}
	this.oText.focus();
};

autoComplete.prototype.textComplete=function(sFirstMatch)
{
	if(this.oText.createTextRange || this.oText.setSelectionRange)
	{
		var iStart=this.oText.value.length;
		this.oText.value=sFirstMatch;
		this.selectText(iStart,sFirstMatch.length);
	}
};

autoComplete.prototype.keyDown=function(oEvent)
{
	oEvent=window.event || oEvent;
	iKeyCode=oEvent.keyCode;

	switch(iKeyCode)
	{
		case 38: //up arrow
			this.autoComplete.moveUp();
			break;
		case 40: //down arrow
			this.autoComplete.moveDown();
			break;
		case 13: //return key
			window.focus();
			break;
	}
};

autoComplete.prototype.moveDown=function()
{
	if(this.oDiv.childNodes.length>0 && this.cur<(this.oDiv.childNodes.length-1))
	{
		++this.cur;
		for(var i=0;i<this.oDiv.childNodes.length;i++)
		{
			if(i==this.cur)
			{
				this.oDiv.childNodes[i].className="over";
				this.oText.value=this.oDiv.childNodes[i].innerHTML;
			}
			else
			{
				this.oDiv.childNodes[i].className="";
			}
		}
	}
};

autoComplete.prototype.moveUp=function()
{
	if(this.oDiv.childNodes.length>0 && this.cur>0)
	{
		--this.cur;
		for(var i=0;i<this.oDiv.childNodes.length;i++)
		{
			if(i==this.cur)
			{
				this.oDiv.childNodes[i].className="over";
				this.oText.value=this.oDiv.childNodes[i].innerHTML;
			}
			else
			{
				this.oDiv.childNodes[i].className="";
			}
		}
	}
};

autoComplete.prototype.keyUp=function(oEvent)
{
	oEvent=oEvent || window.event;
	var iKeyCode=oEvent.keyCode;
	if(iKeyCode==8 || iKeyCode==46)
	{
		this.autoComplete.onTextChange(false); /* without autocomplete */
	}
	else if (iKeyCode < 32 || (iKeyCode >= 33 && iKeyCode <= 46) || (iKeyCode >= 112 && iKeyCode <= 123)) 
	{
        //ignore
    } 
	else 
	{
		this.autoComplete.onTextChange(true); /* with autocomplete */
	}
};

autoComplete.prototype.positionSuggest=function() /* to calculate the appropriate poistion of the dropdown */
{
	var oNode=this.oText;
	var x=0,y=oNode.offsetHeight;

	while(oNode.offsetParent && oNode.offsetParent.tagName.toUpperCase() != 'BODY')
	{
		x+=oNode.offsetLeft;
		y+=oNode.offsetTop;
		oNode=oNode.offsetParent;
	}

	x+=oNode.offsetLeft;
	y+=oNode.offsetTop;

	this.oDiv.style.top=y+"px";
	this.oDiv.style.left=x+"px";
}

autoComplete.prototype.onTextChange=function(bTextComplete)
{
	var txt=this.oText.value;
	var oThis=this;
	this.cur=-1;
	
	if(txt.length>0)
	{
		while(this.oDiv.hasChildNodes())
			this.oDiv.removeChild(this.oDiv.firstChild);
		
		var aStr=new Array();
		this.db.getMatches(txt,aStr,this.maxSize);
		if(!aStr.length) {this.hideSuggest ;return}
		if(bTextComplete) this.textComplete(aStr[0]);
		this.positionSuggest();
		
		for(i in aStr)
		{
			var oNew=document.createElement('div');
			this.oDiv.appendChild(oNew);
			oNew.onmouseover=
			oNew.onmouseout=
			oNew.onmousedown=function(oEvent)
			{
				oEvent=window.event || oEvent;
				oSrcDiv=oEvent.target || oEvent.srcElement;

				//debug :window.status=oEvent.type;
				if(oEvent.type=="mousedown")
				{
					oThis.oText.value=this.innerHTML;
				}
				else if(oEvent.type=="mouseover")
				{
					this.className="over";
				}
				else if(oEvent.type=="mouseout")
				{
					this.className="";
				}
				else
				{
					this.oText.focus();
				}
			};
			oNew.innerHTML=aStr[i];
		}
		
		this.oDiv.style.visibility="visible";
	}
	else
	{
		this.oDiv.innerHTML="";
		this.oDiv.style.visibility="hidden";
	}
};

function createAutoComplete()
{
var aNames =
	[
"afrotc",
"abernathy",
"academic council",
"academics",
"accreditation",
"administrative council",
"admissions",
"affirmative action",
"african american read in",
"african american students",
"african americans",
"african ancestry",
"alpha phi alpha",
"alumni miami university",
"alumni opinion",
"anna m. johnson webb",
"associated student government",
"awards and grants",
"belafonte singers",
"bill of rights",
"black action movement",
"black awareness",
"black culture week",
"black faculty and staff association",
"black history month",
"black history week",
"black scholars",
"black solidarity week",
"black student action association",
"black student action association bsaa",
"black student affairs office",
"black student senate",
"black studies",
"black studies program",
"black world studies program",
"bruner",
"chase mooney",
"cheerleaders",
"cheerleading",
"churchwell",
"civil rights day",
"civil rights movement",
"committee on the status of",
"committee to draft the",
"cosmopolitan club",
"cotton club",
"campus americans for democratic action",
"campus inter racial club",
"campus inter racial committee",
"campus interracial club",
"campus life",
"democrats",
"demonstrations",
"department of communication",
"diversity",
"dorsey hall miami university",
"education and allied professions",
"eleanore miller",
"equal opportunity program",
"eta omacron delta sigma theta",
"exhibitions",
"exodus magazine",
"faculty council",
"faculty and staff",
"faculty and staff opinion",
"family relationships",
"faulkner",
"fellowship of christian social order",
"football",
"franklin",
"fraternities and sororities",
"freedom singers",
"futures human awareness week",
"garland",
"giovanni",
"glenn faculty advisor",
"graduate school",
"haggard",
"hargraves",
"haygood",
"heanon",
"history department",
"homecoming",
"honors committee for",
"human relations committee",
"inaugural jack r. anderson distinguished lecture",
"institutional diversity plan",
"integration",
"inter racial committee",
"international students",
"jim crowism",
"junior prom",
"kappa alpha psi",
"kappa sigma delta",
"kayode",
"kenneth",
"kernodle",
"king",
"lavatus",
"lawrence",
"le travailleurs",
"leroi",
"lectures",
"lecutres",
"leftwich",
"legislative assembly",
"letters to the editor",
"lewis",
"liberalism",
"literature",
"little rascals follies",
"lucius hasley",
"mabel",
"mamie",
"marian",
"mark",
"marsalis",
"martin luther",
"martin luther king jr. day memorial program",
"matthews",
"maurice",
"mcdowell",
"mcguffey lab school",
"mcguffey school",
"mens inter residence council",
"miami black history celebration",
"miami university",
"miami university colored students club",
"miami alumnus",
"minority student affairs office",
"momma kemba",
"mosaic youth theatre of detroit",
"mosaic scholarship",
"musgrave",
"musicals",
"naacp",
"natatorium",
"national association for the advancement of colored people",
"national science foundation",
"negro baseball league",
"new england kitchen",
"north central association of colleges and schools",
"not for blacks only column",
"off cus housing",
"ohio state normal college",
"organizations",
"our gang movie and television production",
"parents weekend",
"performances",
"performers",
"peter first known african american staff member",
"poetry",
"president of miami university 1946 1952",
"princeton review",
"program board",
"project bridges",
"project pool",
"publications",
"pulitzer prize",
"racial attitudes",
"racial incidents",
"randolph",
"recruiting",
"residence halls",
"richard t. farmer school of business",
"school of education and allied professions",
"scientists",
"segregation",
"segregation in education",
"segregation in education teacher training",
"shriver",
"shuttlesworth",
"sojourner",
"souljah",
"south africa divestment",
"soyinka",
"speakers series",
"student action committee",
"student activism",
"student affairs council",
"student affairs executive council",
"student counseling service",
"student faculty council",
"student handbook",
"student interracial conference",
"student legislation",
"student non violent coordinating committee sncc",
"student opinion",
"student organizations",
"student senate",
"student newspapers",
"student opinion",
"track and field",
"travailleurs",
"triad dance",
"tuskegee airmen",
"university admissions",
"university libraries",
"university senate",
"university students",
"varsity social club",
"voting rights",
"western college",
"women and racial and ethnic minorities at miami",
"womens center",
"womens studies program",
"world war i",
"ymca",
"ywca",
"young womens christian association"
	];

new autoComplete(aNames,document.getElementById('txt'),document.getElementById('suggest'),5);
}