ie=(navigator.userAgent.toLowerCase().indexOf("msie")!=-1);d=document;
function $(a){return document.getElementById(a)}
function I(a){var i=0;while(a=a.previousSibling){++i};return i}
function T(a,b){b=b?$(b):document;return b.getElementsByTagName(a)}
function IHR(a,b){try{$(a).innerHTML=b}catch(e){}}
function IH(a){return $(a).innerHTML}
function DV(a){return $(a).value}
function DVR(a,b){try{$(a).value=b}catch(e){}}
function BD(a){return $(a).disabled}
function BDR(a,b){try{$(a).disabled=b?true:false}catch(e){}}
function Dhide(a,b,c){try{$(a).style.display=b?(c?c:'block'):'none'}catch(e){}}



function sh_cont(a){Dhide('floatdiv',1);a=a+'_div';Dhide('floatparent');Dhide('ajax_img',1);IHR('floattext',IH(a));setTimeout("Dhide('ajax_img');Dhide('floatparent',1)",1000)}
function sh_tabs(a,b,c){var c=$(b+'ul').childNodes;b=$(b+'div').childNodes;for(var i=0;i<b.length;i++){b[i].style.display=(i==a-1)?'block':'none';c[i].firstChild.className=(i==a-1)?'active':''}}
function tabBox(a,b){if(!b){a=a||window.event;a=a.target||a.srcElement;if(a.nodeName.toLowerCase()!='a')return;a=a.parentNode;b=I(a)}a=$('tabs').childNodes;var c=$('tab-text').childNodes;for(var i=0;i<a.length;i++){c[i].style.display=(i==b)?'block':'none';a[i].firstChild.className=(i==b)?'active':''}}
function iPrompt3(){var a=this.value;this.value=a==this.title?'':a==''?this.title:a}
function iFocus(){if(this.value==this.title){this.value='';if(this.alt=='pwd')this.type='password'}}
function iBlur(){if(this.value==''){this.type='text';this.value=this.title}}

function srTab(a){a=a||window.event;a=a.target||a.srcElement;if(a.nodeName.toLowerCase()!='li')return;var b=I(a);a=a.parentNode.childNodes;for(var i=0;i<a.length;i++){a[i].className=(i==b)?'active':''}DVR('sr-type',b)}

function is(a){b=$("message");b.focus();if(ie){b=d.selection.createRange();b.text=a;b.select()}else{c=b.value;f=c.substring(0,b.selectionStart);g=c.substring(b.selectionEnd,c.length);b.value=f+a+g;h=(f+a).length;b.setSelectionRange(h,h)}}
function is2(a,b){c=$("message");c.focus();if(ie){c=d.selection.createRange();c.text=a+c.text+b;c.moveStart('character',-b.length);c.collapse(true);c.select()}else{f=c.value;g=c.selectionStart;h=c.selectionEnd;i=f.substring(0,g);j=f.substring(g,h);k=f.substring(h,f.length);c.value=i+a+j+b+k;l=h+a.length;c.setSelectionRange(l,l)}}
function toHTML(a,t,u){if(!t)t='forum';var s="<img class='imgm' src='/smilies/";var b=new Array("\>","\<","\n","  ");var c=new Array("&gt;","&lt;","<br>"," &nbsp;");var f=new Array("b","i","u","ss","p","o","sqrt","crt","img","image","im","hide","frac");var g=new Array("<b>","<i>","<u>","<sub>","<sup>","<span style='text-decoration:overline'>","&radic;<span style='text-decoration:overline'>","<sup>3</sup>&radic;<span style='text-decoration:overline'>","<img class='imgm' src='/images/chemistry/","<img class='imgm' src='http://targetiit.com/images/"+t+"/","<img class='imgm' src='","<span style='background-color:#ccc;color:#ccc'>","<span class='frac'>");var h=new Array("</b>","</i>","</u>","</sub>","</sup>","</span>","</span>","</span>",".png'>","'>","'>","</span>","</span>");if(!u)for(var i=0;i<b.length;i++){var r=new RegExp(b[i],"g");a=a.replace(r,c[i])}for(var i=0;i<f.length;i++){var r=new RegExp('\\['+f[i]+'\\]',"g");a=a.replace(r,g[i]);r=new RegExp('\\[\\/'+f[i]+'\\]',"g");a=a.replace(r,h[i])}for(i=1;i<17;i++){r=new RegExp('\\['+i+'\\]',"g");a=a.replace(r,s+i+".gif'>")}a=a.replace(/\[\/\]/g,"<div></div>");return a}


function cI(a){clearInterval(a)}
function Scroll(a,b,c,d){
//	this.curr=0;
	this.obj=$(a);
	this.dir=d?"scrollLeft":"scrollTop";
	this.size=b;
	this.max=c;
	this.ini();
}
Scroll.prototype={
	move:function(){
		var e=this;
		var a=Math.abs(this.obj[this.dir]-this.end);
		if(this.s<10){
			this.s+=1;
			a=Math.ceil(this.s/3);
		}else if(a<=18){
			a=Math.ceil((19-this.s)/3);
			this.s+=1;
		}else{
			var b=Math.abs(this.spd);
			a=a<18+b?a-18:b;
		}
		this.obj[this.dir]+=this.spd>0?a:(-a);
		if(a==0){
			this.obj[this.dir]=this.end;
			cI(this.intvl);
			setTimeout(function(){e.ini()},1000)
		}
    },
	ini:function(){
		var e=this;
		cI(e.intvl);
		if(e.obj[this.dir]>e.max)e.obj[this.dir]=0;
		e.s=0;
		e.end=e.size+e.obj[this.dir];
		if(e.spd=Math.round((e.end-e.obj[e.dir])/15))e.intvl=setInterval(function(){e.move()},50)
	}
}


function showCase(a,b){
	var c=$('nav').childNodes;
	if(b){
		b=b-1;
		a=c[b].firstChild;
	}else{
		a=ie?window.event.srcElement:a.target;
		if(a.nodeName.toLowerCase()!='a')return;
		b=I(a.parentNode);
	}
	var f=a.getAttribute('scroll');
	c[Scroll.curr].firstChild.className='';
	$('showcase').childNodes[Scroll.curr].className='';
	c[b].firstChild.className='active';
	$('showcase').childNodes[b].className='active';
	Scroll.obj=$('showcase');
	Scroll.end=f;
	Scroll.curr=b;
	Scroll.ini()
}
function sh_pane(a,b){
	if(!b){
		a=ie?window.event.srcElement:a.target;
		b=I(a);
	}
	a=$('map-text').childNodes;
	for(var i=0;i<8;i++){
		a[i].style.display=i==b?'block':'none';
	}
}