// JavaScript Document
var alert_title='Input Restriction';

function limitTextarea(el,maxLines,maxChar)
{
	if(!el.x)
	{
		el.x=uniqueInt();
		el.onblur=function(){clearInterval(window['int'+el.x])
	}
}

window['int'+el.x]=setInterval(function()
{
	var lines=el.value.replace(/\r/g,'').split('\n'),i=lines.length,lines_removed,char_removed;
	if(maxLines&&i>maxLines)
	{
		//alert('You can not enter\nmore than '+maxLines+' lines');
		document.getElementById('span_focus').focus();
		lines=lines.slice(0,maxLines);
		lines_removed=1;
	}
	if(maxChar)
	{
		i=lines.length;
		while(i-->0)if(lines[i].length>maxChar)
		{
			if(lines[i].length==parseFloat(maxChar+1))
			{
				var lastPos=lines[i].lastIndexOf(' ');
				if(lastPos>-1)
				{
					var LastSplit=lines[i].substring(parseFloat(lastPos+1));
					lines[i]=lines[i].substring(0,lastPos);
					lines[i]=lines[i]+'\n'+LastSplit;
				}
				else
				{
					lines[i]=lines[i].slice(0,maxChar);
					lines[i]=lines[i]+'\n';
				}
			}
			else
			{
				lines[i]=lines[i].slice(0,maxChar);
				lines[i]=lines[i]+'\n';
			}
			char_removed=1;
		}
		if(char_removed)
		{
			//alert('You can not enter more\nthan '+maxChar+' characters per line');
			document.getElementById('span_focus').focus();
		}
	}
if(char_removed||lines_removed)
el.value=lines.join('\n')
},50);
}

function uniqueInt(){
var num,maxNum=100000;
if(!uniqueInt.a||maxNum<=uniqueInt.a.length)uniqueInt.a=[];
do num=Math.ceil(Math.random()*maxNum);
while(uniqueInt.a.hasMember(num))
uniqueInt.a[uniqueInt.a.length]=num;
return num
}

Array.prototype.hasMember=function(testItem){
var i=this.length;
while(i-->0)if(testItem==this[i])return 1;
return 0
};

function set_ie_alert(){
window.alert=function(msg_str){
vb_alert(msg_str)
}
}