/*Script For Algopars.ir
by Iman Amini email: i-amini@araku.ac.ir */
function changeFontSize(size)
{
	switch(size)
	{
		case "normal":
			fsize = '12px';
			break;
		case "large":
			fsize = '15px';
			break;
		case "small":
			fsize = '10px';
			break;
	}
	document.body.style.fontSize = fsize;
}

function changeStatusSlide()
{
	var clsname = document.getElementById('HeaderMenuArrow').className;
	if(clsname == 'UP')
	{
		document.getElementById('HeaderMenuArrow').className = 'DOWN';
		document.getElementById('HeaderLogo').style.display = 'none';
		slider = 0;
		setCookie('HeaderShow','hidden',1);
	}
	else
	{
		document.getElementById('HeaderMenuArrow').className = 'UP';
		document.getElementById('HeaderLogo').style.display = 'block';
		slider = 1;
		setCookie('HeaderShow','show',1);
	}
}

function setCookie(c_name,value,expiredays)
{
var exdate=new Date();
exdate.setDate(exdate.getDate()+expiredays);
document.cookie=c_name+ "=" +escape(value)+
((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

function BlockStatChange(o)
{
	object = o.parentNode.parentNode.childNodes;
	for (i=0; i<object.length; i++)
	{
		if(object[i].className == 'Contents')
		{
			if(object[i].style.display == 'none')
			{
				object[i].style.display = 'block';
				o.className = 'CBSB CBSBMin';
			}else
			{
				object[i].style.display = 'none';
				o.className = 'CBSB CBSBPlus';
			}
		}
	}
}